Database Develop

[Q] ICS CM9 Nightly (Charging Questions)

32GB TP, running 3/29 CM9 Tenderlion Nightly.
When plugged into USB-Computer, the drain outpaces the charge*
When plugged into USB-Charger, the drain outpaces the charge*
When put on a touchstone, the charge works correctly.
Why is the wall charger and or the computer not charging the TP fast enough?
*I used HP's TP cable

First, I turn off the device and fully charge. Takes about 3-5 hours for me, check using webOS. Leave it for another hour or so just to make sure. Then boot android and wipe battery stats. If that doesn't help you, try to figure out what's using your battery using watchdog or something.
Even though I don't believe wiping stats actually does anything to improve battery life, I think that it helps android system read voltage/current properly. Maybe I'm wrong, I dunno.

There's a glitch that sometimes happens, where when in Android, it sets your charging circuit to use a trickle charge mode, even when not using a non-HP charger. It happens, but nobody can really explain how.
What you do is reboot it into WebOS, plug it in, let it charge for 5-10 mins, then reboot into Android, and it should fix it.

This happens to me also with ICS roms. It's very frustrating. I haven't tried any of these methods though, really. I just figured that something was wrong with the rom. Anyone have a workaround for this besides what was said here?

[Q] touchpad wont charge/stuck!!!

hello everybody!!!
about 2 months ago i modded my buddy's touchpad for him and everything worked fine. well he brought back the tp to me and saying its stuck and it wont work for some reason. also i am not able to charge with any usb cable it keeps saying
"to reliably charge, use the cable and power adapter that came with your device."
i just want to charge this thing up and remove classic nerd ics from it and simply make it stock web OS cause its become too laggy and glitchy for some reason and i dont know why. well to be honest i havent used it much this is feed back from my buddy.
i just need to get this back to web OS in a couple of hours cause he is a truck driver and needs it on the road. please let me know thanks

naifs_br10 said:
hello everybody!!!
about 2 months ago i modded my buddy's touchpad for him and everything worked fine. well he brought back the tp to me and saying its stuck and it wont work for some reason. also i am not able to charge with any usb cable it keeps saying
"to reliably charge, use the cable and power adapter that came with your device."
i just want to charge this thing up and remove classic nerd ics from it and simply make it stock web OS cause its become too laggy and glitchy for some reason and i dont know why. well to be honest i havent used it much this is feed back from my buddy.
i just need to get this back to web OS in a couple of hours cause he is a truck driver and needs it on the road. please let me know thanks
Click to expand...
Click to collapse
In WEBOS it will only charge with an original charger just so uou know..... in Android you can charge with most anything but anything less than 2amps and 5.5 volts is just gonna trickle charge
As far as the Android install it probably just needs an update and clean boot but if you took the time to tead you would find that WEBOS DOCTOR is used to wipe android off the Touchpad
Sent from my cm_tenderloin using Tapatalk 2

So is the battery dead or are you able to turn it on? The TouchPad needs a certain amount of poswer to charge the device. Thats why the TouchPads original charger has such a big adapter. You chould probably get a slight charge with other chargers but it will take a long time to charge.
As far as android being buggy, I would suggest the same as cdzo72 and just reinstall it. And also like he said, the webOS Doctor will get rid of android. There are also apps in preware, I believe, that remove all traces of android after you uninstall it.

cdzo72 said:
In WEBOS it will only charge with an original charger just so uou know..... in Android you can charge with most anything but anything less than 2amps and 5.5 volts is just gonna trickle charge
As far as the Android install it probably just needs an update and clean boot but if you took the time to tead you would find that WEBOS DOCTOR is used to wipe android off the Touchpad
Sent from my cm_tenderloin using Tapatalk 2
Click to expand...
Click to collapse
jsgraphicart said:
So is the battery dead or are you able to turn it on? The TouchPad needs a certain amount of poswer to charge the device. Thats why the TouchPads original charger has such a big adapter. You chould probably get a slight charge with other chargers but it will take a long time to charge.
As far as android being buggy, I would suggest the same as cdzo72 and just reinstall it. And also like he said, the webOS Doctor will get rid of android. There are also apps in preware, I believe, that remove all traces of android after you uninstall it.
Click to expand...
Click to collapse
the battery is dead and it wont turn on im trying with orignal hp touchpad charger but there is no power...what to do next ? like its completely black there is no power at all not even a battery sign of charging or anything like that

I'm having the same problem as stated. My battery completely drained. When tried pluggin in it gave me the message "plug in original charger" which I have except for the cable. On the home button I had no chargin light. After a couple of hours I tried turning it on pressing power+home and I got the red battery, then immediately the plug in symbol, then the "plug original charger" message.
Then I decided to plug it to my laptop. The home charging light finally came on stating that it was charging. It's been a couple of hours and I was able to plug it back to the original charger on the wall and the home light continues to show that it is charging. Unfortunately, I've tried to turn it on and I still get the message. I'm going to let it sit for a while to see if it's just not charging fast enough to even power up. I am running CM9. Not planning on going back to WebOS anytime soon. If I get it working, I will let you know.
Oh, if you have the original wall adapter, you can unscrew the actual plug off the adapter by turning it counter clockwise. Then screw it back on. Supposedly that will fix something with the actual wall plug. I don't know if that's what caused mine to actually work again.

If you regularly charge it with a Touchstone charging stand, take it off, and plug it in through the outlet and the cable that came with it, and be sure to try charging in WebOS instead of Android.

Completely dead battery

I know that it has been said that "if your touchpad completely dies, you must have the OEM charger to start it back up". At first this seems true. . .However! I would like to report that twice now, when it was completely dead and displaying the "plug in the original charger for reliable charging or die because im a juice nazi", I was able after about 4 hours of just leaving it alone plugged into a 1amp phone charger, to get it to charge up and boot. This may have already been discovered but I couldn't find mention of it. Just wanted to give hope to someone that might have given up on this.

einstein910 said:
I know that it has been said that "if your touchpad completely dies, you must have the OEM charger to start it back up". At first this seems true. . .However! I would like to report that twice now, when it was completely dead and displaying the "plug in the original charger for reliable charging or die because im a juice nazi", I was able after about 4 hours of just leaving it alone plugged into a 1amp phone charger, to get it to charge up and boot. This may have already been discovered but I couldn't find mention of it. Just wanted to give hope to someone that might have given up on this.
Click to expand...
Click to collapse
So when you connect 1 amp phone charger, does the TP says to connect the original charger? Even if it says to connect the original charger, and leaving it for 4 hours the TP charged is that right???
My problem is when I connect to cell phone charger, it says to connect original charger.
When I connect original charger, the TP stays at 0% even after connecting the charger overnight. I dont know what is the problem? is it charger, is it battery or is it TP..

atrix4nag said:
So when you connect 1 amp phone charger, does the TP says to connect the original charger? Even if it says to connect the original charger, and leaving it for 4 hours the TP charged is that right???
Click to expand...
Click to collapse
Yes.
atrix4nag said:
My problem is when I connect to cell phone charger, it says to connect original charger.
When I connect original charger, the TP stays at 0% even after connecting the charger overnight. I dont know what is the problem? is it charger, is it battery or is it TP..
Click to expand...
Click to collapse
The message will be displayed but it is gradually charging in the background. When it gets enough juice, it will start up and charge faster. In your case it sounds like either your port or battery are damaged somehow. Possibly the charging circuitry but that is unlikely. If you don't have an original charger or touchstone, then your options are limited. They aren't very expensive on ebay though. I would let it charge on a good 1 amp charger for a few days and see what happens then. Mine did the "soft brick" crap once where it was completely unresponsive and ran completely dead and i just charged it for 4 days and forgot about it and when i remembered it, it had powered on and booted. TPs are funny devices. Expect anything and report it if you don't mind. Maybe we can get this sorted out.

einstein910 said:
Yes.
The message will be displayed but it is gradually charging in the background. When it gets enough juice, it will start up and charge faster. In your case it sounds like either your port or battery are damaged somehow. Possibly the charging circuitry but that is unlikely. If you don't have an original charger or touchstone, then your options are limited. They aren't very expensive on ebay though. I would let it charge on a good 1 amp charger for a few days and see what happens then. Mine did the "soft brick" crap once where it was completely unresponsive and ran completely dead and i just charged it for 4 days and forgot about it and when i remembered it, it had powered on and booted. TPs are funny devices. Expect anything and report it if you don't mind. Maybe we can get this sorted out.
Click to expand...
Click to collapse
Thanks for prompt response..
I have original wall charger, and got a new cable from ebay. So I am hoping its equivalent to original charger. How can I debug if the port or battery is damaged.. any idea?
I left it on charge overnight yesterday. It was at 0, in the morning.. I left it on charge today before coming to office. i am expecting it to be at 0, when I go home.. When its connected to charger, its working normally (with 0 battery), but as soon as i remove from charger, it will shutdown..

Morning, when I was charging,
the battery monitor widget app showing Battery flow as "-600mA". I think this should be +ve while charging. the same app was showing status as "Charging AC plugged". I will try to charge my phone with the same cable and charger, if the phone shows +ve current flow, then, its deffinetly should be problem with the battery or touchpad right..
I wil test it in the evening.. and if its problem with battery or touchpad.. i will try to clean the TP and will try again.. Lets see how it goes

Ok so you have the original charger, great! And it boots into android/webos correct? It sounds like your A6 firmware might have crapped out or whatever it does to cause battery issues. Probably not bad battery if this happened rather suddenly, and its not a bad port if its booting and running while plugged, even if its not charging. . .so go here:
http://forum.xda-developers.com/showthread.php?t=2756314
and read it carefully! With this tool, you can do some really cool stuff including re-flashing the A6 battery monitor/control chip. It can (but might not) fix issues like this. Give it a try with a good cable and let me know what happens. Good luck!

einstein910 said:
Ok so you have the original charger, great! And it boots into android/webos correct? It sounds like your A6 firmware might have crapped out or whatever it does to cause battery issues. Probably not bad battery if this happened rather suddenly, and its not a bad port if its booting and running while plugged, even if its not charging. . .so go here:
http://forum.xda-developers.com/showthread.php?t=2756314
and read it carefully! With this tool, you can do some really cool stuff including re-flashing the A6 battery monitor/control chip. It can (but might not) fix issues like this. Give it a try with a good cable and let me know what happens. Good luck!
Click to expand...
Click to collapse
I rebooted to webOS, and TP charged normally.. now i updated to CM11, all good as of now.. Thanks for helping me..
only bad part is i disassembled, before booting to webOS

Aw dude....well hey it happens to the best of us lol. Now u know a lot more about ur tablet and i would still recommend reflashing the A6 and removing webos if u dont use it. Tptoolbox can also be "installed" by renaming the boot image .bin file to uImage.TPtoolbox and placing it in /boot on your android partition. This allows moboot to see it. Off topic i know but i thought you might be interested. Best of luck with the re-assembly!

einstein910 said:
Aw dude....well hey it happens to the best of us lol. Now u know a lot more about ur tablet and i would still recommend reflashing the A6 and removing webos if u dont use it. Tptoolbox can also be "installed" by renaming the boot image .bin file to uImage.TPtoolbox and placing it in /boot on your android partition. This allows moboot to see it. Off topic i know but i thought you might be interested. Best of luck with the re-assembly!
Click to expand...
Click to collapse
You can only install TPToolbox as described if you have removed WebOS.

shumash said:
You can only install TPToolbox as described if you have removed WebOS.
Click to expand...
Click to collapse
why is that?

einstein910 said:
why is that?
Click to expand...
Click to collapse
Because there's not enough room for both, and it's designed to run in the WebOS userspace. Don't even try it; I speak from experience.

einstein910 said:
why is that?
Click to expand...
Click to collapse
Because the boot folder is not big enough with the webOS uImage.

Fixed my Touchpad!
I had the same issue and just wanted to report what worked for me. My touchpad wasn't responding to any button pressing combos and even after sitting on the charger for two days, didn't want to turn on. After some google searching I found my Touchpad might be so dead that the charging circuity might not want to charge the battery and all the fixes were telling me to take apart the Touchpad and charge the battery directly. That's not something I really wanted to do. Then another person suggested to charge the Touchpad with a lower amp charger, so I plugged the Touchpad into an iPhone charger for about an hour. I came back, held the power button and home button - nothing. Tried power, volume up, and home - nothing. But then I held the power button and hit the home button ~10 times and then... the home button started blinking left and right. YES! I took the Touchpad and put it on the original charger, 15 minutes later it had the Low Battery Screen and another 15 minutes later, Cyanogenmod was booting.

I need help. When I try to transfer the Android files to the HP TouchPad using TPtoolbox, Windows says that there is an F drive that I have to format before I use it. In the tutorials, a drive labeled HP TOUCHPAD or something like that shows in Windows, and you can put the Android files inside of the ttinstall folder. Should I format the drive and if so, what format?

Oh sorry, I posted to the wrong thread.

Droid Turbo turns off automatically

Hi guys,
My phone turns off automatically. It actually has happened 4 -5 times in 3 days. Let me explain; Once my phone was just on my table and I picked up but it was off and nothing was happening. I just plugged in my wall charger (Turbo Power), it turned on and the charging showed 53℅ so it came back to life. Today, my phone was on charge and it was almost 70℅ andI had to remove the charger but as soon as I removed it, screen turned off and then I had to put the wall charger again to make it alive.
What could be the issue? I am confused.
Thanks!

Attached is an image of my battery stats for reference. Thanks!

82% wifi battery drain? Do you still have this problem if you keep wifi off? I would perform a factory reset if I were you.

TheSt33v said:
82% wifi battery drain? Do you still have this problem if you keep wifi off? I would perform a factory reset if I were you.
Click to expand...
Click to collapse
Yes, the issue is still there when I keep my WiFi off. Also, i noticed that my phone used to get charge from 5℅ to around 40℅ within 15 or 20 minutes. I did put my phone on charge few hours ago but in one hour it was only 53℅.
I use Turbo Power wall charger and I purchased this phone 2 weeks ago. I'm not sure if doing factory reset would work or not but first I want to make sure there is nothing else wrong with this.
Any thoughts?

sh_obaid said:
Yes, the issue is still there when I keep my WiFi off. Also, i noticed that my phone used to get charge from 5℅ to around 40℅ within 15 or 20 minutes. I did put my phone on charge few hours ago but in one hour it was only 53℅.
I use Turbo Power wall charger and I purchased this phone 2 weeks ago. I'm not sure if doing factory reset would work or not but first I want to make sure there is nothing else wrong with this.
Any thoughts?
Click to expand...
Click to collapse
If a factory reset doesn't fix it, my only other guess is that there is something wrong with the battery. If you purchased it new, it's very easy to get a warranty replacement through Motorola if you live in the USA, but I'm not sure how it would work outside of it.

I just posted in the "Weird Battery" thread. But you need to do a Battery Re-calibration by holding the power button to turn the phone and KEEP holding button until the phone re-boots itself. Ignore the "Power Off" dialog. Then plug in the stock turbo charger overnight. I had this problem a lot while using a wireless charger.

radon222 said:
I just posted in the "Weird Battery" thread. But you need to do a Battery Re-calibration by holding the power button to turn the phone and KEEP holding button until the phone re-boots itself. Ignore the "Power Off" dialog. Then plug in the stock turbo charger overnight. I had this problem a lot while using a wireless charger.
Click to expand...
Click to collapse
Thanks for the response and I will definitely try this. However, there is something I noticed: Today I plugged in my Turbo Charger and the phone started charging from 4%. After 45 minutes, it was 22%. I think that means it wasn't turbo charging and as soon as I plugged out the cable from my phone, it turned off and again I had to plug the cable in and it turned on and started charging. I then turned on my phone and the battery was at 22% (charging). After next 30 minutes it was at around 70% and then I tried to pull out the charging cable to see if it turns off again but it didn't.
I am not sure if it's right but I feel like when it doesn't get a turbo charge, it gets turned off when I remove the charging cable from it. But when it actually gets turbo charge, it doesn't turn off and act normally.
This is really confusing, isn't it?

No one?

The most likely problem is that your battery is failing due to age.
Although it appears to maintain a usable voltage, reflected in the battery % displayed, it can no longer provide the current needed to run the phone under high-load conditions. In those cases the voltage drops momentarily below the 0% level, triggering an immediate shutdown.
Try taking the back cover off the phone and seeing if the battery is significantly swollen or bloated. If so, it's time for a replacement. There are good video guides on YouTube detailing the process.
Your device is two years old, and all batteries wear out with enough charge/discharge cycles. If the phone is exposed to high temperatures (such as during turbo charging), the batteries will wear out faster.

Spott07 said:
The most likely problem is that your battery is failing due to age.
Although it appears to maintain a usable voltage, reflected in the battery % displayed, it can no longer provide the current needed to run the phone under high-load conditions. In those cases the voltage drops momentarily below the 0% level, triggering an immediate shutdown.
Try taking the back cover off the phone and seeing if the battery is significantly swollen or bloated. If so, it's time for a replacement. There are good video guides on YouTube detailing the process.
Your device is two years old, and all batteries wear out with enough charge/discharge cycles. If the phone is exposed to high temperatures (such as during turbo charging), the batteries will wear out faster.
Click to expand...
Click to collapse
Are you sure it can be a problem of battery? I purchased this phone in start of February and it's new. Also, if it's a battery problem then why does it happen just sometimes? Why not every time i plug in the charger? Also, my battery after full charge give me a handsome backup of 1 and a half day easily even after 81% use of a WiFi.

sh_obaid said:
Are you sure it can be a problem of battery? I purchased this phone in start of February and it's new. Also, if it's a battery problem then why does it happen just sometimes? Why not every time i plug in the charger? Also, my battery after full charge give me a handsome backup of 1 and a half day easily even after 81% use of a WiFi.
Click to expand...
Click to collapse
A weak battery is one possibility, but if you're getting a day and a half of usage from a full battery, then it's probably a different problem.
My next guess would be a bad charging cable or damaged USB port. Or possibly a poorly written app that's running in the background and causing memory problems somehow.
What Android version or ROM is on your phone, what background apps are running, and do you have any root programs or system modifications?

Spott07 said:
A weak battery is one possibility, but if you're getting a day and a half of usage from a full battery, then it's probably a different problem.
My next guess would be a bad charging cable or damaged USB port. Or possibly a poorly written app that's running in the background and causing memory problems somehow.
What Android version or ROM is on your phone, what background apps are running, and do you have any root programs or system modifications?
Click to expand...
Click to collapse
Thanks for the response. My Android version is 6.0.1 and in background I am not sure where to look at but the usual stuff I use are Facebook, Watsapp, MyCafe game (I have already tried uninstalling it to see if it's causing the problem). My device is not rooted and there are no modification. I am using this phone as I got it new. Thanks!

For few days it was working fine. Now, I was facing the same issue again so I tried to do a factory reset. Now when I tried to boot it up for the first time, I was setting up the Google Account, I didn't remember my password so I first changed it using my PC and then tried to sign in on my phone but now it's always saying "please sign in using one of the owners accounts for this device". I tried to google it but all of it ended up giving me a solution that I have to wait 72 hours because there has been some Google Security or something? I don't understand. Please help!

sounds to me like the battery is dying/dead. i would certainly open up an inquiry to motorola to see if they can get you a new battery. doesn't hurt to ask.

jco23 said:
sounds to me like the battery is dying/dead. i would certainly open up an inquiry to motorola to see if they can get you a new battery. doesn't hurt to ask.
Click to expand...
Click to collapse
I had to encrypt the device and it's back to life now. But still, the issue is still there. The phone still shuts down automatically as soon as I take off the charger. It's weird that when I don't face this problem, I get day and a half battery backup which is totally normal to me. Do you think it still can be a bad battery problem?

No one?

Are you using custom rom or stock one?

mubaidr said:
Are you using custom rom or stock one?
Click to expand...
Click to collapse
I am on Stock ROM.

It's never too late
sh_obaid said:
I am on Stock ROM.
Click to expand...
Click to collapse
Hi Sh-Obaid!
Although this is a pretty old post, but I have just faced the same problem with my droid turbo as you were facing exactly a year ago. I am pretty sure that you must have ditched the droid turbo by now, but still I am curious to know if you finally found out the actual problem or some solution. Please share your experience as it can help me to fix my paperweight (almost dyeing turbo).
It keeps turning off during boot-up or android running mode within a few minutes after the charger is removed. But, it can stay 'on' for several hours in recovery mode (due to which I doubt that battery is dyeing) and also shows Good Battery status in the boot-loader mode. I have done factory reset and even re-installation of the stock rom but neither worked for me.
Any input from you would be highly appreciated - Thanks!

Help! Battery drained, phone won't turn on, battery charging icon flashes on and off?

My phone had been working perfectly fine, as well as charging perfectly fine. Recently, I accidentally let it drop to 0%, which I don't usually do. I went to plug it into the same wall outlet as always, but instead of the usual charge process, the battery icon with the lightning bolt in the middle simply flashes on the screen and then turns off, which happens over and over again.
It should be noted as well that about 3 weeks ago my phone get fairly wet. After that incident, I turned it off till it dried, powered it up, and everything appeared to be totally ok.
Other facts:
-I can safely get into the recovery menu (power + vol down), which is stable, but any menu selections result in the Motorola splash screen for a quick second and then the phone powering down.
-The computer will recognize the connection to the phone.
Attempts to resolve:
-New cable, new usb hub, new wall outlet
-Trickle charge from the computer (same flashing)
-Phone in rice to remove moisture
-Toothbrush cleaning of Micro-usb port (suggestion from another thread)
I'm pulling my hair out, and I am considering prying off the back and replacing the battery. I have searched other threads, but have seen various solutions none of which worked for me. If anybody has any idea how I can fix this please help!!! Thanks in advance.

DroidGuy321 said:
My phone had been working perfectly fine, as well as charging perfectly fine. Recently, I accidentally let it drop to 0%, which I don't usually do. I went to plug it into the same wall outlet as always, but instead of the usual charge process, the battery icon with the lightning bolt in the middle simply flashes on the screen and then turns off, which happens over and over again.
It should be noted as well that about 3 weeks ago my phone get fairly wet. After that incident, I turned it off till it dried, powered it up, and everything appeared to be totally ok.
Other facts:
-I can safely get into the recovery menu (power + vol down), which is stable, but any menu selections result in the Motorola splash screen for a quick second and then the phone powering down.
-The computer will recognize the connection to the phone.
Attempts to resolve:
-New cable, new usb hub, new wall outlet
-Trickle charge from the computer (same flashing)
-Phone in rice to remove moisture
-Toothbrush cleaning of Micro-usb port (suggestion from another thread)
I'm pulling my hair out, and I am considering prying off the back and replacing the battery. I have searched other threads, but have seen various solutions none of which worked for me. If anybody has any idea how I can fix this please help!!! Thanks in advance.
Click to expand...
Click to collapse
Either there is something wrong with your battery, or there is something wrong with the USB port. If the USB port is the problem, you can use wireless charging instead. I'm a fan of this one, personally: https://www.amazon.com/gp/product/B00S7IBDGW/ref=oh_aui_search_detailpage?ie=UTF8&psc=1.
Also, are you unlocked? If so, what battery percentage does TWRP say?

TheSt33v said:
Either there is something wrong with your battery, or there is something wrong with the USB port. If the USB port is the problem, you can use wireless charging instead. I'm a fan of this one, personally:
Also, are you unlocked? If so, what battery percentage does TWRP say?
Click to expand...
Click to collapse
Thanks for the quick reply. It does seem like a battery problem, however it is just so coincidental that it stopped working after I let the battery drain to 0%, when only hours previously it was in use and charging without any issue at all.
Also, if there was a problem with the micro-usb port, I would think that a computer wouldnt be able to read the phone, but when I plug it in it is recognized as an ADB device.
I have another turbo with a cracked screen, I'm thinking about dissecting both and putting that battery in this phone as a replacement.
And unfortunately I am not unlocked :/.

Update
Well, after some further experimentation, I've gotten it working again. The solution was to charge it for like 5 hours, then let it sit off charge for an hour, and then it would boot... bizarre combination of actions. It has since dies twice and I've had to use this method.
It is working for now if I don't let the battery drop below like 15%. Seems more like a software or hardware issue to me, and i'm still trying to resolve it, so if anybody has any suggestions please let me know.
Also, what is the best way to re-calibrate the battery, maybe that could help?

DroidGuy321 said:
It is working for now if I don't let the battery drop below like 15%. Seems more like a software or hardware issue to me, and i'm still trying to resolve it, so if anybody has any suggestions please let me know.
Also, what is the best way to re-calibrate the battery, maybe that could help?
Click to expand...
Click to collapse
If you can't let the battery go below a certain percentage, it might be an early sign of failure. The voltage might drop suddenly and unexpectedly towards the end of discharge, prompting the phone to emergency-shutdown.
As for calibrating the battery...it depends on who you ask. I would say that running it to shutdown (even if shutdown is "15%") and then charging it to 100% should do it, since that gives the controller a full set of data with which to extrapolate a discharge curve. Clear your cache in recovery, so hopefully the OS will pick up on this to accurately track the battery's actual state.
Get Kernel Adiutor or something similar to check your battery's health, too. If there's something obviously badly wrong, it should report something other than "Good".

If you note when your battery dies abruptly and you immediately reboot the back light is very poor. Almost flickering.
I think this is a battery issue of not being able to feed enough amperage.
...however. My phone was doing this and after a full clean reflash it has stopped. I question if this is because I am running less apps now. Or if perhaps somehow the battery managed to lose its memory. (Li ion is an odd duck..)

mrkhigh said:
If you note when your battery dies abruptly and you immediately reboot the back light is very poor. Almost flickering.
I think this is a battery issue of not being able to feed enough amperage.
...however. My phone was doing this and after a full clean reflash it has stopped. I question if this is because I am running less apps now. Or if perhaps somehow the battery managed to lose its memory. (Li ion is an odd duck..)
Click to expand...
Click to collapse
Septfox said:
If you can't let the battery go below a certain percentage, it might be an early sign of failure. The voltage might drop suddenly and unexpectedly towards the end of discharge, prompting the phone to emergency-shutdown.
As for calibrating the battery...it depends on who you ask. I would say that running it to shutdown (even if shutdown is "15%") and then charging it to 100% should do it, since that gives the controller a full set of data with which to extrapolate a discharge curve. Clear your cache in recovery, so hopefully the OS will pick up on this to accurately track the battery's actual state.
Get Kernel Adiutor or something similar to check your battery's health, too. If there's something obviously badly wrong, it should report something other than "Good".
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Thanks for the pointers. So strange, first it died at 40%, then 30% then 15%. Now, it is still dying early but I am no longer facing the issue I originally had, it will show normal charging when off, and boots up right away. Sure hope its not some ticking battery time bomb, its still a relatively new refurb.
I attempted the charge calibration so we shall see if it helps. I also did a factory reset for the hell of it, since I am on stock and can't reflash. Perhaps I'm in the clear, that would be awesome. Still no idea what the issue was in the first place though, which will annoy me to no end.