Having seen so many posts on calibration of battery, i have decided to make this thread so to make it easier and useful for you guys. This thread can also be used to share your experiences with calibration and usage of milestone's battery.
Note: This is done using a the motorola milestone 1. So if you're using any other phone, pls ask abt them in this thread b4 you do anything!!!!
Intro:
The calibration of the battery is needed when you want to switch/install roms. This will make sure that the battery is really fully charged, thus preventing the battery life from dropping too drastically in a matter of hours.
I know there are some other methods to help calibrate your battery, but this is the only one I am sure of the steps. Please inform me of the other methods so to share with everybody.
Steps:
1. Before flashing a new rom, use root explorer (with read/write set) to delete the file "batterystats.bin" stored in /data/system/.
2. Charge your phone with it being turned off.
3. After it is fully charged(100%), take out its battery without plugging off the power supply.
4. Wait for a few moments, and a ? sign will appear.
5. Put your battery back in. You should see that the battery percentage increases quickly to 60%. If it increases to 100% with seconds, please skip to step 6.
6. If it stops increasing at 60%, let the phone continue to charge until 100%(takes quite a while)
7. Once it reaches 100%, let it charge for a further 15-20 minutes.
8. Once that's done, you can boot to OpenRecovery and flash your rom!!!
Alternative way of calibration(thanks a lot zeppelinrox!!!):
http://forum.xda-developers.com/showpost.php?p=11803458&postcount=10
This method allows you to calibrate the battery and use ur phone at the same time!!!
I hope this helps you people, because it really helped me!!!!
Note: i m not responsible for anything bad that happens to ur phone. Perform the calibration at ur own risk!!!(though it should be perfectly fine, unless u do something wrong or extra)
Btw, i am just writing things that i assume to be correct, so if anything needs to be edited/added, pls inform me through this thread or sending me a pm.
Credits to everyone (especially pcphobic for his post in http://forum.xda-developers.com/showpost.php?p=11604143&postcount=740) who have written all these in your posts that made it possible for me to gather and get all this info!!!!!!
You should give credits to whom you copied this from.
oh yea i almost forgot.Thx fellow citizen!!!!
And it's good to remove/wipe the battery status data with the charger plug-in as the last step.
thx bnwg, but i don't get you. Mind if you make yourself clearer? Thx!!!!
nickrule1896 said:
thx bnwg, but i don't get you. Mind if you make yourself clearer? Thx!!!!
Click to expand...
Click to collapse
He's referring to deleting the batterystats.bin file from the /data/system folder.
Yup, got it thx!!!!
mount -a
rm /data/system/batterystats.bin
For this set of instructions, can the console in the OR be used to perform it?
mods should make this thread a stickie.
Calibrating Without Downtime!
Edit: If this doesn't work on your device, try the Die-Hard Battery Calibrator Script to ensure a proper charge
This is proven to work with Motorola Milestone so I would imagine the Droid as well.
It works with the Milestone 2 but you may need to get the phone booted up manually (step 7) instead of the easy reboot in step 6.
If you have a different phone and this works, please let us know!
You probably won't believe that this will work but try it anyway.
The big benefit of doing it this way:
It's great if you don't plan on changing roms and just want to calibrate your battery without downtime so that you can just use your phone as you normally would.
Note: Be sure that the phone isn't running hot (feel the back)
1. While in Android, charge up to 100% and leave the phone plugged in.
2. Delete /data/system/batterystats.bin
3. Remove back cover
4. Press Power and choose to reboot normally.
5. When the screen goes black and the lights go out, pull out the battery before you get the M logo. It will probably still work after the M logo shows up but that's how I do it.
6. Surprise: The phone will boot up without the battery! - Mine does - every time
Note: Batterystats.bin is recreated when you see the M logo - even though the battery isn't in the phone.
Go to Step 8 if the phone booted up as described.
7. If it doesn't boot up and you see the battery with the ?
..........a) Put the battery back in (you will see 60%),
..........b) Power off the phone (press power until LED light goes out)
..........c) Power on the phone (press power until you see the M logo)
..........d) Remove battery... and watch bootanimation...
8. a) After the surprise of seeing the boot animation without a battery, you will then see the lock screen along with a "No SIM card error" and no signal.
...... Put the battery back in - the SIM card error will disappear, you will get a signal, it will show 60% full and the icon will show the battery charging.
...... Go to Step 9 if this works as planned. If it doesn't, reboot (again without the battery) and use step 8b instead of step 8a.
... b) Put the battery back in during the bootanimation, but after the haptic feedback/vibration (and the buttons along the bottom light up).
....... On a normal reboot, you can actually slide and unlock the phone when you get the vibration during the boot animation. You knew that, right?
9. Use your phone normally while you calibrate the battery
10. Let it fill it up to 100% + 15 minutes or so. When it is truly finished charging, the battery should be cool.
11. If the phone is running hot, weird things can happen. For example, you may get no signal when you put the battery back in or the battery doesn't begin charging (the status bar battery icon doesn't change). Just let the phone cool off and it should work next time.
100% full is approximately 4200mV
As you can see in the cap below, it's showing only 60% at 4241mV (This was after booting up without the battery and putting the battery in)
A few minutes later, still plugged in, it showed 100% at 4225mV and then it went up to 4230mV.
Finally, I then unplugged the phone and I got a reading of 4196mV
Notes:
Now, when I charge it up, it will go up to 4230mV everytime. I leave it plugged in an extra few minutes after that.
I highly recommend Battery Monitor Widget
Batterystats.bin gets recreated if you unplug your phone and plug it in again. So don't do that. Let it get recreated on the M logo (Step 6).
Thanks to pcphobic for a couple of important tips and to pcphobic and sileshn both for confirming that my phone isn't possessed!
Azhad (one of the two Androidiani OR developers) said another way to wipe battery
http://forum.xda-developers.com/showpost.php?p=11715432&postcount=967
now i don't know what's the right one? delete batterystats.bin or battd folder's contents? with full or empty battery?
nickrule1896 said:
Credits to everyone who have written all these in your posts that made it possible for me to gather and get all this info!!!!!!
Click to expand...
Click to collapse
It would have been nice if you mentioned my name or put a source link to my posting dated 24th February 2011 at
http://forum.xda-developers.com/showpost.php?p=11604143&postcount=740
etoy said:
Azhad (one of the two Androidiani OR developers) said another way to wipe battery
http://forum.xda-developers.com/showpost.php?p=11715432&postcount=967
now i don't know what's the right one? delete batterystats.bin or battd folder's contents? with full or empty battery?
Click to expand...
Click to collapse
Recently I follow Azhad's way to wipe the battery.
When I delete the file (ie. cc_data) under that folder and go back in it, the file will be regenerated. And the batterystats.bin is updated according to the timestamp of the newly generated cc-data file. I don't know if this is the same as the step 6 from zeppelinrox's method.
etoy said:
Azhad (one of the two Androidiani OR developers) said another way to wipe battery
http://forum.xda-developers.com/showpost.php?p=11715432&postcount=967
now i don't know what's the right one? delete batterystats.bin or battd folder's contents? with full or empty battery?
Click to expand...
Click to collapse
Maybe that's the method for CM7? I don't know because I'm a die hard CM6er lol
He also mentions a file (/data/system/batterystats.bis) that I've never seen mentioned before.
bnwg said:
Recently I follow Azhad's way to wipe the battery.
When I delete the file (ie. cc_data) under that folder and go back in it, the file will be regenerated. And the batterystats.bin is updated according to the timestamp of the newly generated cc-data file. I don't know if this is the same as the step 6 from zeppelinrox's method.
Click to expand...
Click to collapse
I have that cc_data file too but it's blank when I open it with a text editor.
im just linking my post here: http://forum.xda-developers.com/showpost.php?p=11603675&postcount=736
the myth about the batterysoftware needs some real facts. payce from german forum did some measuring with real astonishing results.
I have seen that article before.. thanks to you of course
I'll quote the conclusion of the first post:
That is, the stone over-estimated the voltage at the battery is full by ~ 60 mV and underestimated the power of up to 100 mV with an empty battery. The intent is well-battery protection (which is good too). It is pretended that 3.0 and 4.2 volts to discharge until it is loaded. In reality, there are more 3.1 volts and 4.15 volts (which by the way of battery manufacturers also better unanimous opinion!).
Click to expand...
Click to collapse
So the reading I get via Battery Monitor Widget aren't that far off and perhaps exactly where they're supposed to be.
After fully charging (showing 4230mV while plugged in) and then uplugging the phone, it will ideally show between 4150mV and 4200mV vs the 4.15 volts (ie. 4150mV) quoted above.
My phone will power itself off between 3150mV and 3200mV vs the 3.1 volts (3100mV) quoted above. Actually, I just checked BMW's log and today it powered itself off at 3162mV after 19.5 hrs.
I found it interesting that you use less power while downloading overclocked versus downloading at stock speed lol.
ABC: Android Battery Calibration - Video Guide
youtube.com/watch?v=fwrZu0DKp2c[/url]
@zeppelinrox: wouldnt ur steps be the same as doing the calibration my way, just that instead of booting to OR for flashing new rom, we just reboot normally?
@pcphobic: sry cos it would be hard for me to go around checking who posted this kind of info before. well, since u said it, i will definitely do it
nickrule1896 said:
@zeppelinrox: wouldnt ur steps be the same as doing the calibration my way, just that instead of booting to OR for flashing new rom, we just reboot normally?
Click to expand...
Click to collapse
Of course it would calibrate either way.
The difference is that I found a way to do it more conveniently.
You can do it anytime, use your phone normally and actually monitor the voltage as well.
Sent from my Milestone using Tapatalk
zeppelinrox said:
Of course it would calibrate either way.
The difference is that I found a way to do it more conveniently.
You can do it anytime, use your phone normally and actually monitor the voltage as well.
Sent from my Milestone using Tapatalk
Click to expand...
Click to collapse
I am using MS2 and there isn't an option of "reboot" when pressing the power button. Can this be done by using the "quick boot" app? thanks
https://market.android.com/details?id=com.siriusapplications.quickboot&feature=search_result
Related
dont know if you guys experienced this or not, it seems like i cant get my phone to be fully charged after the 1.5 firmware update, it takes like 10 hours to get it fully charged. So i thought it was my phone, but after i get the replacement from t-mobile, its the same thing, so i thought its the battery, but after i replaced the battery which i got from HTC, it turns out to be the same....what do u guys think what happening to my phone ?
for example, if i charge my phone for 2 or 3 hours, and it says its 60% charged...then i reboot my phone, the battery bar becomes full, and i check the battery info, its 100% or 99%.....so you guys think it's the software issue ? maybe my phone is already fullly charged, but it just cant recognize it ? but this cant happen to 2 different phones with different batteries right ?
This happens to my phone even i flash it to the cyan 4.0.4
CyanogenMod-4.0.4
HardSPL
2.22.19.261
Please Help !!!!
weird, have u tried to UN-root?
ya...tried...was back to normal once when it was at 1.0 firmware, but then after i root or updated to 1.5 firmware, it happens again...i dont even know why this is happening
Anything running in the background sucking up battery power? Bluetooth enabled? Music/Video player "stopped"?
There is a file you can delete to make the phone forget its battery charge settings and start over. I searched but with the old Cy threads gone I can't find it. Try searching the forum a few different ways. Maybe it is also in a different rom thread. If I come across the file name I will post it here.
if i delete the file, would it indicate how much battery is left ? or how much battery has been charged ?
i think the directions on what file that needs be deleted are in the experimental thread, i remember reading about it as well. basically, what you are doing is deleting the old battery readings and the files that tell the phone how much juice the battery has left, and when you reboot after deleting them, it causes the phone to create new ones.
http://forum.xda-developers.com/showpost.php?p=4602632&postcount=8268
Try deleting batterystats.bin in /data/system if you upgraded without flashing. This will recalibrate your battery...
Click to expand...
Click to collapse
@StanSimmons thank you for finding the post.
in the recovery console
Code:
mount data
rm /data/system/batterystats.bin
reboot
Good job finding that post. I wish they would open the thread back up just for the troubleshooting info it contained.
billquinn1 said:
Good job finding that post. I wish they would open the thread back up just for the troubleshooting info it contained.
Click to expand...
Click to collapse
they don't want it to turn into another "I hate google" thread. i am pretty much sure that is the reason they locked it.
so if i delete batterystats.bin , the battery indicator would back to normal ?not just going up by only 1% for every 10 minutes ?
americanxo said:
so if i delete batterystats.bin , the battery indicator would back to normal ?not just going up by only 1% for every 10 minutes ?
Click to expand...
Click to collapse
I don't know, try it and find out. The worst you will do is waste a few minutes entering in a command and rebooting
david1171 said:
I don't know, try it and find out. The worst you will do is waste a few minutes entering in a command and rebooting
Click to expand...
Click to collapse
what command ? im not a tech savvy guy...so i will make sure all things are ok before doing anything to the phone.
i put the command up in the first page of this hread ,and it was still there when i looked a minute ago.
so after i deleted the file, and i go to the recover console and type the commands and thats it right ?
i tried....didnt work....
i rebooted to recovery mode, then select console..input the commands....reboot the phone...problem still not solved....hmmm
If I remember correctly wasn't the procedure for resetting the battery to completely drain the battery till the phone shuts off on it's own, then charge the battery while the power is off till charging light turns green, then when you boot your phone use the terminal or adb to remove batterystats.bin
jackslim said:
If I remember correctly wasn't the procedure for resetting the battery to completely drain the battery till the phone shuts off on it's own, then charge the battery while the power is off till charging light turns green, then when you boot your phone use the terminal or adb to remove batterystats.bin
Click to expand...
Click to collapse
Yes those are the proper instructions. Don't do this very often though, its not good for Li-ion batteries
What an interesting problem. I have never run across this problem before.
I noticed, a few others, but should be minority has the same problem as mine.
My N1 powers off itself when my battery shows around 15% or so.. sometimes 17% sometimes 14%, never lower than 10%.
I already tried to wipe battery data at recovery or deleting the battstat.bin file etc etc but it is still like that.
Is there a solution for this and any reason for this?
Majority of people's phone only power downs below 5%.
Many thanks
Use the battery calibrator, it's in the development section.
Sent from my Nexus One using Tapatalk
baseballfanz said:
Use the battery calibrator, it's in the development section.
Sent from my Nexus One using Tapatalk
Click to expand...
Click to collapse
thanks man..
there are two with the same name.. i'll try them one by one
Try bump-charging* then clearing the battery stats
*Charge phone to 100%, unplug it, turn it off, charge again till indicator goes green
Rusty! said:
Try bump-charging* then clearing the battery stats
*Charge phone to 100%, unplug it, turn it off, charge again till indicator goes green
Click to expand...
Click to collapse
actually this i have tried a few times already but it never helped.
My phone turns off at around 19% now after I played with the battery calibrator app. (I set the life at 100%, was lazy to run the full cycle calibration)
Its powerful and probably can fix your problem.
Link: https://market.android.com/details?id=net.jonrichards.batterycalibrator.ui
britoso said:
My phone turns off at around 19% now after I played with the battery calibrator app. (I set the life at 100%, was lazy to run the full cycle calibration)
Its powerful and probably can fix your problem.
Link: https://market.android.com/details?id=net.jonrichards.batterycalibrator.ui
Click to expand...
Click to collapse
i am trying to do this too.
so you are saying it wont help coz yours got even worse (turning off at 19%)?
britoso said:
My phone turns off at around 19% now after I played with the battery calibrator app. (I set the life at 100%, was lazy to run the full cycle calibration)
Its powerful and probably can fix your problem.
Link: https://market.android.com/details?id=net.jonrichards.batterycalibrator.ui
Click to expand...
Click to collapse
To calibrate your battery and have it reliably die at 0% every time, follow the instructions that I wrote in post #3 here:
http://forum.xda-developers.com/showpost.php?p=7850480&postcount=3
schizophrenia said:
i am trying to do this too.
so you are saying it wont help coz yours got even worse (turning off at 19%)?
Click to expand...
Click to collapse
He said he was too lazy to complete the learn cycle, which is part of the calibration technique. There is no sense in trying to pick "pieces" of the process and hope they work, they won't. Start with step 1 and follow the directions to the letter, don't skip anything. I would suggest reading the instructions a couple of times prior to starting and ask questions in the thread if you aren't sure. There are several of us that monitor the thread and will respond quickly...myself during US daylight hours and Temasek in the evening (he's in asia, I think).
mtw4991 said:
To calibrate your battery and have it reliably die at 0% every time, follow the instructions that I wrote in post #3 here:
http://forum.xda-developers.com/showpost.php?p=7850480&postcount=3
Click to expand...
Click to collapse
am doing this right now and hope I understand everything and it works.
thanks a lot
schizophrenia said:
i am trying to do this too.
so you are saying it wont help coz yours got even worse (turning off at 19%)?
Click to expand...
Click to collapse
It will work if you follow the steps and run the full calibration (long time)
mtw4991 said:
To calibrate your battery and have it reliably die at 0% every time, follow the instructions that I wrote in post #3 here:
http://forum.xda-developers.com/showpost.php?p=7850480&postcount=3
Click to expand...
Click to collapse
Thanks. Wish there was a quicker/easier way.
I'm currently testing a direct way using simple math:
If 1452mAh is 100% how much is 19% ?
i.e. 1452/100*19 = 275mAh (for me)
I've set "full40" to 1452-275= 1177 (the calibrator app's minimum is 1200 so I just set it to that.)
britoso said:
It will work if you follow the steps and run the full calibration (long time)
Thanks. Wish there was a quicker/easier way.
I'm currently testing a direct way using simple math:
If 1452mAh is 100% how much is 19% ?
i.e. 1452/100*19 = 275mAh (for me)
I've set "full40" to 1452-275= 1177 (the calibrator app's minimum is 1200 so I just set it to that.)
Click to expand...
Click to collapse
That may work as a guess-timate, but the stock battery comes rated at 1452mAh and stock age is set to 94%, so you would really be setting to 1128mAh unless you reset age to 100%. It really doesn't take that long to set up the application for learn mode...just a few minutes. It does take 31/2-4 hrs to fully charge the phone and complete learn mode if you set the min. charge current to <20mA. To speed things up, just set it to <40mA as you won't miss the little bit of extra juice.
britoso said:
It will work if you follow the steps and run the full calibration (long time)
Thanks. Wish there was a quicker/easier way.
I'm currently testing a direct way using simple math:
If 1452mAh is 100% how much is 19% ?
i.e. 1452/100*19 = 275mAh (for me)
I've set "full40" to 1452-275= 1177 (the calibrator app's minimum is 1200 so I just set it to that.)
Click to expand...
Click to collapse
hmmm good point, i never thought of that lower limit. we'll see if we can update the app.
but to answer this thread's question, the age register in your phone is now out of whack, and you need to set it accordinly to allow the battery to go down to 0%. the learn cycle determine's the proper "age" value and sets it accordingly.
you could also guess an age value, say 83%, would be close. but really there's no reason to not do the learn cycle and figure it out.
BTW all these values are stored in your battery's chip, and it needs to be updated to new value.
Quick question:
1) Sometimes even after I turned on the "Detect Learn Mode" my Current occassionally dropped below -200mA (e.g. 160mA) for a quick while... will it affect the result?
2) "Turn off" means turning off the Detect Learn Mode right?
3) where can I see the "Charging current"? Capa.?
Thanks
What if I rotate among three different batteries on a regular basis? I have an external battery charger too. Will the calibration be in any way useful or will it get confused by the changes?
I have my original January 2010 battery, a December 2011 replacement from HTC, and a MOMAX battery that also holds up a pretty good charge.
Sent from my Nexus One using XDA App
cmstlist said:
What if I rotate among three different batteries on a regular basis? I have an external battery charger too. Will the calibration be in any way useful or will it get confused by the changes?
I have my original January 2010 battery, a December 2011 replacement from HTC, and a MOMAX battery that also holds up a pretty good charge.
Sent from my Nexus One using XDA App
Click to expand...
Click to collapse
you can rotate batteries no problem. when you do a learn cycle, the age value gets written to the chip inside the individual battery. so you can swap batteries no problem. just make sure that the correct age value shows up when you swap, cause sometimes the age resets when removed from the phone. just set it manually back to your proper age if so.
we were trying to add "profiles" support to the app so you could swap batterys and it remembers the parameters for each and sets them accordingly when you swap the battery. but i dont know how long that will take...
Okay good to know. I bought this charger:
http://www.amazon.com/PowerGen-Mult...CAT6/ref=sr_1_3?ie=UTF8&qid=1295658169&sr=8-3
And it's pretty neat because I can just position the pins myself to charge any battery I want. I've tried it with camera batteries, Huawei U1250, Moto Milestone and RAZR, and Nexus One batteries. It works really well and it's somewhat future-proof because it will probably work with my next phone's batteries too =)
The instructions to flash roms states that we have to fully charge our phone before flashing. Does that mean we have to bump charge to 100% or is a battery charged to 97% considered fully charged.
The full charge is a recommendation, not a requirement. Its likely your battery may not be calibrated correctly if you do not fully charge the battery first. There is a lot of complaining about a ROM killing batteries, after a flash. If you do not flash with a full battery, you should cycle the battery 3 or 4 times and/or calibrate the battery before making any observations or comments about the battery life of your ROM.
Personally when I flash a ROM I start with a odin flash to stock. Then I turn off the phone and charge to full with the phone off. Then boot into recovery, flash CWM (twice) and flash my ROM.
97% is probably fine, but keep in mind your mileage may vary.
Sent from my SAMSUNG-SGH-I897 using XDA App
not comletely true...
if the phone is already calibrated (or doesnt need it) the battery is fine
the phone ALWAYS charges to 100% then stops charging
lets the phone run on battery power down to 95%
starts charging back to 100%
so depending how quickly you unplug it after it reaches 100% it will start to run down.....
Trusselo said:
not comletely true...
if the phone is already calibrated (or doesnt need it) the battery is fine
Click to expand...
Click to collapse
So ... if your battery is calibrated, and you flash a new ROM, thus obliterating the file your phone uses to retain said calibration data, you phone will still remember the calibration info?
I wish I had your phone, mine behaves quite differently.
Sent from my SAMSUNG-SGH-I897 using XDA App
I have flashed probably 60 times and have calibrated my battery about 5 - 6 times. I've had no issues with it at all.
npt1988 said:
The instructions to flash roms states that we have to fully charge our phone before flashing. Does that mean we have to bump charge to 100% or is a battery charged to 97% considered fully charged.
Click to expand...
Click to collapse
It depends sometimes on the rom. Some of them charge full but don't show 100% when unplugged.
quarlow said:
So ... if your battery is calibrated, and you flash a new ROM, thus obliterating the file your phone uses to retain said calibration data, you phone will still remember the calibration info?
I wish I had your phone, mine behaves quite differently.
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
where did i say that? read again....
dont be a F#uckin smart ass
here let me explain in easier to explain terms...
"if you just calibrated it or it doesnt need it because it is already calibrated......"
Trusselo said:
where did i say that? read again....
dont be a F#uckin smart ass
here let me explain in easier to explain terms...
"if you just calibrated it or it doesnt need it because it is already calibrated......"
Click to expand...
Click to collapse
Thanks .... that added and changed nothing about your response.
Let me slow it down a notch. I said if you flash with low battery you *may* (I used "recommendation" due to using the word "may") have a calibration issue with your new ROM, until your battery is recalibrated. (Based on many hurried flashes) I followed that up with a disclaimer that not every phone behaves the same.
You said that is untrue because your battery constantly dances between 95 and 100% when left plugged in. Just like your newest response this serves absolutely no purpose in explaining where you disagree and why.
Once more for the hearing impaired: your battery stats is a file on your phone. Still with me? Okay. When you flash a new ROM, all the files on your phone are deleted. Still there? Good, I'm glad you're keeping up. So if you delete all files, how does your phone still have that file?
So I guess there are people that have phones that magically retain the battery stats file after deleting it. I was simply saying I want one like that, because mine doesn't do that.
Use your words, without resorting to name calling or cursing, if you don't want a sarcastic response.
Sent from my SAMSUNG-SGH-I897 using XDA App
Except you're wrong. When you flash a rom it does not overwrite all files found on your phone. By running a master clear, you can clear out all system files and flash back to stock which will generate new files.
However, it is not necessary to run a master clear for all roms to be flashed. For example, I went from cognition to Paragon without running a master clear and its been a fantastic experience thus far. So, if you didnt run a master clear, your phone still retains its battery file and may take a while to learn its averages. Running a clear battery stats can help your phone learn faster.
To explain this further, take a look at a statistically normal distribution (bell shaped curve). Over time, your phone learns what 100% to 0% is an all in between. Well, over a long enough timeline, your battery starts to get closer to the average which means it will start to say that 98% is a full charge and continue to decline. Its just what happens with batteries. If you clear out this timeline, you start to generate new means. This will not restore the life of your battery but it will give your phone the ability to be more accurate about its current state.
Thank you for responding, including where you disagree.
I misunderstand what the screen and odin say when you flash. They both say they are clearing and wiping the data and cache. I almost never do a "Master Clear" from odin.
So when the ROM process says its wiping DATA, CACHE, SYSTEM etc. the respective folders on your phone aren't deleted? That is where I was getting the basis for my commemts. Along with observations when flashing ROMs. Like starting with 60%, using odin to go to stock, leaving md with half of what it said before, flashing a new ROM, and having that ROM say 80%. Then rebooting the phone to have 50%. Then plugging in and rebooting to see 80% again.
If I'm wrong I apologize. All the info I know from flashing ROMs is reading my screens, and interpreting my observations. Maybe my phone IS jacked up, it does this everytime I don't charge to full with the power off before I flash a new ROM.
Sent from my SAMSUNG-SGH-I897 using XDA App
I didn't charge to full before I flashed either. I'm not an expert by any means but what I posted is my understanding of what happens.
As for what your phone says, who knows what I really is doing. I mean the general process is understood but the specific files and folders that are cleared would be hard to identify.
Sent from my Samsung-SGH-I897 w/ ParagonRC6
i can only get my nexus s 4g to charge up to 97% if i have wireless tether enabled... otherwise it considers itself full at 95%
not sure whats up with that
hello guys
updated my phone to 2.3.6 using this guide
http://droidangel.blogspot.com/2012/01/i9000xxjvu-android-236-upgrade-for.html
but phone only lasts half a day now
could you guys point me in the right direction to were i can get a better rom please
i just play the odd game and then use the web/
im a bit off a noob so i need a guide were i can just download the 3 files put them in odin and off it goes.
if you guys could help me i would be eternal great full
Just keep using your phone for a couple of days... it'll get better...!!!
mnm9994u said:
Just keep using your phone for a couple of days... it'll get better...!!!
Click to expand...
Click to collapse
How?
The phone is not new. Been no this Rom for about a week
I used this quide and all OK...
After the update:
In recovery mode, select options Wipe data/factory reset and also you need to select Wipe Cache partition and also you need to select the option of “Clear Dalvik Cache” after which you need to reboot your device by selecting reboot system now after which all the cache files will get deleted.
You already tried calibrating the battery? And when you install a new ROM you generally have to wait a few days for the battery reaches its normal duration.
the best battery life i have ever had was on MIUI. It was like two days ... no problem. i heard for some guys it was even up to four days.
you are on a gingerbread bootloader, so its no problem to flash MIUI with a *.zip file in recovery. just search the forum here for a good version.
to do:
-glitch kernel
-download a governor ("conservative" or "ondemand")
-two apps from the market: CPU tuner, CPU spy
-search for tutorials for CPU tuner
=> fixed your problems
if you have flashed yout rom with your battery not fully charged, you have to calibrate your battery
And also doing 3-4 full charge
yes, u need to do full discharge recharge cycles 2-3 times... wipe battery stats after that from recovery mode on full 100% charge.
Hope this helps
I have two phones. Both running same Rom but i only use one phone. The other i charge the battery in
only just had to do that since the update.
So the batterys are always fully discharged and recharge.
I didn't know about calibrating the battery ill look into that now.
Thanks for the advice.
Just calibrated the battery fingers crossed this work. Half a day for a phone to last is poor.
Was thinking this is like the iphone
when you guys have fully charged your phones and you go into better status how many how's does it say it has left.
Is it random?
Mine says 40 hours
edit lol now it says 7 mins 40 seconds but battery is still full
koooowweeee said:
Just calibrated the battery fingers crossed this work. Half a day for a phone to last is poor.
Was thinking this is like the iphone
when you guys have fully charged your phones and you go into better status how many how's does it say it has left.
Is it random?
Mine says 40 hours
edit lol now it says 7 mins 40 seconds but battery is still full
Click to expand...
Click to collapse
You still didn´t gave the time battery needs to settle down. In a couple of days you will see that battery will again last for 2 days easly.
For a better rom that you ask on the first post find it on i9000 development forum. There you have roms with different specs. Choose and test them for yourself and see wich fits you best.
I should say for you to test the Hybrid.
http://forum.xda-developers.com/showthread.php?t=1200177
Turning off most app synchronizing (settings » account & synchronisation settings) is making a big difference as well, at least to me. Just disable automatic synchronisation (keep background synchronisation on), and turn it off for all apps. Saves me quite some hours of battery. I'm assuming the update reset all your synchronisation to ON. I'm never using the word synchronisation again, pfft.
hello koooowweeee
Try BatteryCalibration (market) or.
1. Connect the charger to the phone while it is on, and let the load be up to 100%.
2. Unplug the charger and turn off the phone.
3. Reconnect the charger while the phone is off, and leave the task until it shows 100% again.
4. Unplug the charger, then turn the phone, wait for it to boot completely, then turn it off
5. Reconnect the phone to the charger (always off) and wait until it returns to 100%.
6. Disconnect the charger, turn on the phone with flight-+ power to access the Recovery.
Once in recovery, go to Advanced, and make a Wipe Battery Stats, then reboot the phone.
or flash CM7 7.0.2 Kang!
@ +
Well been using my phone all day and battery has lasted so far. Its on 13% now which is better than it was
ill try the method above tomorrow morning and see if that's better
the guide i seen on here was to charge battery to 100% then take the charger out and battery for 90 seconds then put it back in.
Seems to have worked
I want to see if re-calibrating the battery on my Note 9 will make any difference on how long the battery lasts. I've looked at a three videos, all of which say to wipe the cache, then boot up, go into the dialer, and type *#02880#. Then select Quick Start, and it will reset calibration. I won't cover the rest here...
But two things: When I enter that code on my Note 9 (U.S. version), it does not reset the stats.
Also, on two of the 3 videos it says to totally discharge your phone until it turns off automatically, and they both say to charge it to 200%. Uh...I don't think that's possible. Interesting both vids make the same mistake.
Any thoughts
ewingr said:
I want to see if re-calibrating the battery on my Note 9 will make any difference on how long the battery lasts. I've looked at a three videos, all of which say to wipe the cache, then boot up, go into the dialer, and type *#02880#. Then select Quick Start, and it will reset calibration. I won't cover the rest here...
But two things: When I enter that code on my Note 9 (U.S. version), it does not reset the stats.
Also, on two of the 3 videos it says to totally discharge your phone until it turns off automatically, and they both say to charge it to 200%. Uh...I don't think that's possible. Interesting both vids make the same mistake.
Any thoughts
Click to expand...
Click to collapse
It works for European versions , don't know for your one but at least you should do things in the right way to see because in you tube or generally in internet there are a lot of bad explanations for doing this :
1. Charge your phone to real 100% (wait until after reaching 100% the flash sign [emoji298] in the battery icon goes away) then disconnect the cable
2. Go in dialer and type *#0288#
3. Select quick start
4. Wait a wile (one minute) and then riactivate the screen if it went away wile waiting
5. If Android wasn't calibrated with the real battery value, you will now find the percentage of the battery capacity less then the initial 100% value.
6.a If point 5. figures out, charge again the battery until it reaches 100% and wait until the flash sign in the battery icon goes away to pull out the cable... now Android is calibrated to the real battery capacity.
6.b If point 5. doesn't figure out and so nothing changes and still having 100%, doesn't mean calibration doesn't work, means that Android and battery were already calibrated....
However, calibration with the past two or tree OS's is not so much needed because the battery gauge of Android is precise... I remember that up to Android 6, this method was good once evey two months because charging and discharging cycles made the measurements inaccurate after a wile .
If this doesn't solve your problems, look for apps that are draining your battery... If you find someone that does it, go in settings - applications, select the app and in its menù find and do a wipe cache and a wipe data to it..if doesn't work, try even uninstall and installing the app again.
Take present that after a year having your phone, maybe a new battery is needed so everything you can do, like changing and maneging settings, is worthless...
joedellosso69 said:
It works for European versions , don't know for your one but at least you should do things in the right way to see because in you tube or generally in internet there are a lot of bad explanations for doing this :
1. Charge your phone to real 100% (wait until after reaching 100% the flash sign [emoji298] in the battery icon goes away) then disconnect the cable
2. Go in dialer and type *#02880#
3. Select quick start
4. Wait a wile (one minute) and then riactivate the screen if it went away wile waiting
5. If Android wasn't calibrated with the real battery value, you will now find the percentage of the battery capacity less then the initial 100% value.
6.a If point 5. figures out, charge again the battery until it reaches 100% and wait until the flash sign in the battery icon goes away to pull out the cable... now Android is calibrated to the real battery capacity.
6.b If point 5. doesn't figure out and so nothing changes and still having 100%, doesn't mean calibration doesn't work, means that Android and battery were already calibrated....
However, calibration with the past two or tree OS's is not so much needed because the battery gauge of Android is precise... I remember that up to Android 6, this method was good once evey two months because charging and discharging cycles made the measurements inaccurate after a wile .
If this doesn't solve your problems, look for apps that are draining your battery... If you find someone that does it, go in settings - applications, select the app and in its menù find and do a wipe cache and a wipe data to it..if doesn't work, try even uninstall and installing the app again.
Take present that after a year having your phone, maybe a new battery is needed so everything you can do, like changing and maneging settings, is worthless...
Click to expand...
Click to collapse
I really appreciate your input. I'll give it a go.
I have had my phone over a year, and was thinking about a new battery.
INterestingly, I have been thinking I have caused poor battery times myself. I do a LOT with my phone, and have installed apps for some smart home stuff, which also needs my location. So, it has a lot of actdive stuff, and I expect the battery to be used up quicker. But I'm not sure it should be as bad as it is.
I'll give this a go, and then maybe try a new battery.
Hey People I have a SM-N960F/DS and upto date with software wanting to know of a way to recalibrate battery that code does not work for me
Essentially you cannot recalibrate a battery . Calibration is a battery process .
See Google must be a million posts on the subject .
https://www.google.com/search?clien...&ved=0ahUKEwiNz_r7tcXsAhXnRhUIHYWBCJcQ4dUDCAw
imation_nz said:
Hey People I have a SM-N960F/DS and upto date with software wanting to know of a way to recalibrate battery that code does not work for me
Click to expand...
Click to collapse
It still works for me on a note 9 exynos with android 10....don't paste and copy the code directly on the dialer because sometimes it won't work.
I found out another thing ...the code is not *#02280# but it's *#0228#
Open the dialer and then press every single botton to compose *#0228# ....after the last one (#), automatically the the battery status panel appears .
---------- Post added at 03:31 PM ---------- Previous post was at 03:22 PM ----------
JJEgan said:
Essentially you cannot recalibrate a battery . Calibration is a battery process .
See Google must be a million posts on the subject .
https://www.google.com/search?clien...&ved=0ahUKEwiNz_r7tcXsAhXnRhUIHYWBCJcQ4dUDCAw
Click to expand...
Click to collapse
Calibration is intended as a battery and OS synchronization because after a while the OS goes out of the right value of the battery .
joedellosso69 said:
It still works for me on a note 9 exynos with android 10....don't paste and copy the code directly on the dialer because sometimes it won't work.
I found out another thing ...the code is not *#02280# but it's *#0228#
Open the dialer and then press every single botton to compose *#0228# ....after the last one (#), automatically the the battery status panel appears .
---------- Post added at 03:31 PM ---------- Previous post was at 03:22 PM ----------
Calibration is intended as a battery and OS synchronization because after a while the OS goes out of the right value of the battery .
Click to expand...
Click to collapse
thanks this worked for me too.