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Galaxy Note battery strange behaviour... charging icon crazy!

Hi guys... my problem appear when i fully charge my note
I disconnect it from the charger...and start my nightmare.
The battery icon appears in a state of charging and idle loop! Draining the battery...
And power up the screen always discharging the phone.
Is like plug - unplug from charger... battery icon shows lighting no lighting...
Jb xxlsc installed... no problem since 3 weeks ago, until this issue...
Any clue?
I tried booting, formatting, etc...
Thanks in advance

re
Arquizona said:
Hi guys... my problem appear when i fully charge my note
I disconnect it from the charger...and start my nightmare.
The battery icon appears in a state of charging and idle loop! Draining the battery...
And power up the screen always discharging the phone.
Is like plug - unplug from charger... battery icon shows lighting no lighting...
Jb xxlsc installed... no problem since 3 weeks ago, until this issue...
Any clue?
I tried booting, formatting, etc...
Thanks in advance
Click to expand...
Click to collapse
have u trid to apply any themes? if not....i was facing the same problem. my note is 13 months old and it was the battery problem for me i buyed a new one for 800rs. now everything is fine if u find any one else using note in ur locality try using his/her battery. if problem is solved then its definitely battery:angel:

I guess the problem is with ur charging port
Try cleaning it..if it doesnt work,u need to get it replaced
Sent from my GT-N7000 using xda premium

I am also facing a similar issue since yesterday ... I put the note on charging but instead of increasing the battery charge, it reduces it although the battery icon in notification bar shows as charging ... tried charging after phone shutdown but them also charging is very slow ... no idea what's happening? .... any solution? ... thanks
Sent from my GT-N7000 using xda app-developers app

envyofindia said:
any solution?
Click to expand...
Click to collapse
One post before yours.

envyofindia said:
I am also facing a similar issue since yesterday ... I put the note on charging but instead of increasing the battery charge, it reduces it although the battery icon in notification bar shows as charging ... tried charging after phone shutdown but them also charging is very slow ... no idea what's happening? .... any solution? ... thanks
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
have you tried with different charger?

I wonder why try another charger?

I've had the same problem a year ago. I was able to fix the problem by pushing in the pins inside the charging port. However this only buys time. I was able to fix the problem completely by purchasing charging port from eBay with the same revision 1.0 ( in my case ). I was able to install the part in less than 10 minutes and the problem is solved

Had the same problem few days back I just inserted a small pin inside the charging port and bent the pin inside the charging port very little don't know will it help but worked for me just be careful don't apply too much pressure as it may damage the pin
Sent from my GT-N7000 using xda app-developers app

Jesus i want to cry when Note users have this problem!. Its an USB port problem, not chargers, not software. You need to replace the whole USB Board (which is attached at the bottom of the motherboard). If you want a temporal solution turn off your phone, remove your battery and then clean your usb port with a thin brush and alcohol and leave it for 30 min. Then put your battery and charge your phone. Turn on and then unplug your cable, it should work fine for some time. Its a problem with the 75% of the Galaxy Notes in the world. Ive changed my port 2 times in only one year! I dont know why samsung did not put a slinding usb protector like some galaxy devices... sorry my bad english and good luck!

when I changed my usb port, I bought 2 in case. 2 usb ports cost me 18 dollars and change, shipped from China. took 2 weeks to arrive. must match the revision number which is written on the original board. mine was revision 1.0. took less than 10 minutes to install. problem solved.

maybe temporary but free
aftabbabar said:
when I changed my usb port, I bought 2 in case. 2 usb ports cost me 18 dollars and change, shipped from China. took 2 weeks to arrive. must match the revision number which is written on the original board. mine was revision 1.0. took less than 10 minutes to install. problem solved.
Click to expand...
Click to collapse
cured my phone of the same problem with a paint brush and proper contact cleaner ( NOT WD40 OR LIKE) in the usb charger hole.
stuff known technically as pocket fegg gets in and causes leakage across contacts. however, worst case is connector is damaged and needs replacing as above.

Get the port replaced.

I had a similar issue.
<drunkbabble>
My microusb car charger is constantly used by the many female microusb ports from my friends and hitchhikers.
So it had a loose contact with my phone now because the Galaxy Y 's were too tight.
And the it charges / not charges / charges ... at about 150 times a minute.
</drunkbabble>
In your case your port might have suffered or you have dirt at the contacts. Try blowing it out with canned air and look for any visual clues of damage.

Got this problem right now and its really annoying.
I nearly wanted to throw my phone at the wall because of the dumb low battery noise playing like 20000 times a second .
My Desire HD and crapberry also decided to break today too ffs .
Gonna send them off to get repaired in the morning, back to my good old reliable nokia 3310 in the mean time

i am having this issue for over a month now. i changed the battery too lately. was on CM 10.1 and thought it was a ROM issue but then i found it to be the same as i switched to stock ROM.
And it would be real helpful if anyone of you guys could let me know how much changing the usb port cost me.

Clean It With A Little Whisky :]
cotton, dip it in a little whisky and then clean the usb port with a help of a needle/pin... worked for me :]
*make sure your phone is turned off and the battery is out while you do this application*
try and clean your charger as well.. Cheers!

Charging port issue!
I had exactly the same issue on my Galaxy Note-1. and stumbled across this thread. It confirmed the suspicions I already had. So I got my charging port changed. The phone is back to normal!

Replacement Battery won't charge

My replacement battery (looks the exact same, may be a generic product, though) worked fine for a few days, but then the phone started saying: "Battery can't charge right now," and the batter level just stayed the same with the cable connected. I tried various cables and adapters; the situation didn't change. I read that maybe a missing temperature sensor could be the issue. Does anybody have experience related to the issue?

rex_vitis said:
My replacement battery (looks the exact same, may be a generic product, though) worked fine for a few days, but then the phone started saying: "Battery can't charge right now," and the batter level just stayed the same with the cable connected. I tried various cables and adapters; the situation didn't change. I read that maybe a missing temperature sensor could be the issue. Does anybody have experience related to the issue?
Click to expand...
Click to collapse
Same trouble here! Did you solve it?

Luis Augustus said:
Same trouble here! Did you solve it?
Click to expand...
Click to collapse
Battery and rom are probably not the problem, i've solved this with replacement of USB C charging port in the phone.

I repeated the process with the same battery, and I haven't had problems in over a year. just took it out, put it back in, and that settled it.

why you replaced the battery, battery dead ?
what are the symptoms ?
because my phone is restarting itself , while charging it shows 90 percent and so on, its on when charger plugged in and if unplug it will stay on for few min and if i open app or camera it start reboot

I've had the same problem
I've replaced battery with an aliexpress one but after some charges problem came back and I think the problem was about I was charging my phone with the wrong charger (was using the Aukey QC3.0), so I've started to charge my phone only with the genuine charger but with another USB-C cable because the genuine one sucks.
After using the genuine charger the problem never came back and I left the genuine battery on It.
I've noticed that the USB-C port on my phone miss the original standard measures of height and width of the hole, so when I plug the cable It plays a little in the port and this is the cause I don't use the genuine cable.

Guy guys guys...
The answer is simple ^^ (ok not really )
Clean your USB C charging port of your phone... that fixed 3 to 4 times my charging issues, sadly after I had bought several cables /batteries...
So first think you must do before checking any other thing... is getting all the crap that the USB C charging entry point has after so many years/months of usage... it gets quite dirty.

Hello, I am facing charging issues on my K20 pro, Can anyone help me out?

It's been quite a few days that I am facing this charging issue, my phone simply refuses to charge, I even purchased a 27 watt charger thinking
that the issue is with my stock charger but still it won't charge. I went to the service center and they cleaned the charging port and said that the problem was happening due to dust particles inside the port. My phone was charging fine for 2- 3 days but now I am facing the same problem.
I try cleaning the charging port but there ain't no dust inside. I have to fidget with the charging port and the charger for half an hour and then it starts charging the phone. I have to do this every time while charging the phone. I am unable to understand whether it is a hardware or software related problem.
Can anyone please help me out here?

rizy.rg said:
It's been quite a few days that I am facing this charging issue, my phone simply refuses to charge, I even purchased a 27 watt charger thinking
that the issue is with my stock charger but still it won't charge. I went to the service center and they cleaned the charging port and said that the problem was happening due to dust particles inside the port. My phone was charging fine for 2- 3 days but now I am facing the same problem.
I try cleaning the charging port but there ain't no dust inside. I have to fidget with the charging port and the charger for half an hour and then it starts charging the phone. I have to do this every time while charging the phone. I am unable to understand whether it is a hardware or software related problem.
Can anyone please help me out here?
Click to expand...
Click to collapse
Hey, I've had this problem with my old phone. Sometimes it could be a fault type c cable too.
Have you tried changing the cable?

VamanK said:
Hey, I've had this problem with my old phone. Sometimes it could be a fault type c cable too.
Have you tried changing the cable?
Click to expand...
Click to collapse
The type c cable does not have a problem as I used it to charge Samsung A30 and it is working fine.

Just take it back to service centre then...no way we can determine issue over internet better than a tech at a service centre.

Question about fast charging on the Note 9

Hi...
For a while now I've had a problem with my Note 9 only displaying that it is regular charging when plugged into my fast charger plug and cable. I tried a numbr of troubleshooting steps from restarting, cleaning the port, trying safe mode, buying replacement fast charger and cable, factory settings, rooting but it still only showed as cable charging so I became convinced it was a physical problem with the port. Wireless fast charging continues to work as it should.
I recently installed AccuBattery and when plugged into my fast charger/cable, the charge current completely fills the the green bar to between 1800-2000 mA so now I'm beginning to wonder whether fast charging is working ok, but the phone is reporting it incorrectly.
Does anyone else know what kind of charge current the Note 9 should have when cable fast charging please? Also, just out of curiosity, what should it be when wirelessly fast charging too please?
Thanks for any help...

nickster_uk said:
Hi...
For a while now I've had a problem with my Note 9 only displaying that it is regular charging when plugged into my fast charger plug and cable. I tried a numbr of troubleshooting steps from restarting, cleaning the port, trying safe mode, buying replacement fast charger and cable, factory settings, rooting but it still only showed as cable charging so I became convinced it was a physical problem with the port. Wireless fast charging continues to work as it should.
I recently installed AccuBattery and when plugged into my fast charger/cable, the charge current completely fills the the green bar to between 1800-2000 mA so now I'm beginning to wonder whether fast charging is working ok, but the phone is reporting it incorrectly.
Does anyone else know what kind of charge current the Note 9 should have when cable fast charging please? Also, just out of curiosity, what should it be when wirelessly fast charging too please?
Thanks for any help...
Click to expand...
Click to collapse
I know this is ridiculous question. Did you enable it in battery setting?

nickster_uk said:
Hi...
For a while now I've had a problem with my Note 9 only displaying that it is regular charging when plugged into my fast charger plug and cable. I tried a numbr of troubleshooting steps from restarting, cleaning the port, trying safe mode, buying replacement fast charger and cable, factory settings, rooting but it still only showed as cable charging so I became convinced it was a physical problem with the port. Wireless fast charging continues to work as it should.
I recently installed AccuBattery and when plugged into my fast charger/cable, the charge current completely fills the the green bar to between 1800-2000 mA so now I'm beginning to wonder whether fast charging is working ok, but the phone is reporting it incorrectly.
Does anyone else know what kind of charge current the Note 9 should have when cable fast charging please? Also, just out of curiosity, what should it be when wirelessly fast charging too please?
Thanks for any help...
Click to expand...
Click to collapse
Rosli59564 said:
I know this is ridiculous question. Did you enable it in battery setting?
Click to expand...
Click to collapse
I started charging at 25%. With screen on I got 2700mah.
I left my phone off for 15 mins and stayed at that 2700mah average.
When I turned my phone screen on, I had 45% but screen on charge dropped to 1000mah.
If you look at the bottom of my screenshot, it explains why you need to turn your screen off to get accurate fast charge Numbers. Your phone might throttle the screen on charge if a certain criteria is met.

Once again. Did you enable it in the settings?
I am eagerly awaiting your response... [emoji3]

Rosli59564 said:
I know this is ridiculous question. Did you enable it in battery setting?
Click to expand...
Click to collapse
Thanks for the reply...fast charging is indeed enabled :good:

Frick_trump said:
I started charging at 25%. With screen on I got 2700mah.
I left my phone off for 15 mins and stayed at that 2700mah average.
When I turned my phone screen on, I had 45% but screen on charge dropped to 1000mah.
If you look at the bottom of my screenshot, it explains why you need to turn your screen off to get accurate fast charge Numbers. Your phone might throttle the screen on charge if a certain criteria is met.
Click to expand...
Click to collapse
Thanks for the reply.
Hmmm the numbers you get do seem to suggest there is an issue with my phone. The screen off speeds are around the same as screen on.
Samsung quoted about £10,000,000 to repair as it's rooted and they have to replace the entire board to satisfy their warranty terms.
May have a go at replacing the charging port myself.
Thanks again :good:

nickster_uk said:
Thanks for the reply.
Hmmm the numbers you get do seem to suggest there is an issue with my phone. The screen off speeds are around the same as screen on.
Samsung quoted about £10,000,000 to repair as it's rooted and they have to replace the entire board to satisfy their warranty terms.
May have a go at replacing the charging port myself.
Thanks again :good:
Click to expand...
Click to collapse
I don't use fast charging, ever. So that's probably why my port still works. I have gotten so much dirt in it and cleaned it out it isn't even funny. So I'm less 6 to believe that fast charging is what ruins the port not debris.
A lot of people who use fast charging have the same issue as you-,it burns out the port.
Honestly, my advice is to love with fast charging over wireless and not spend a billion dollars replacing the port. Wait until it's time to replace the battery in a year or two and do it then. Fast charging over cable only saves you 30-40 minutes. I can charge and do charge my phone normally and it only takes around an hour and 40 minutes.

Fast charging issue

So my note 9 (snapdragon) is never using fast charging and even if i manage to get it to give me fast charging it gives 1 hour 39 minutes to charge and takes 3 hours, when i charge by cable charging with disabling the fast charging setting it charges in 2 hours 10 minutes while it is cable charging not giving me fast, with the setting enabled it charges in 1 hour 59 minutes.
One side of the type-c never gives fast charging and the other side writes fast charging for 4-5 seconds then switch to cable charging and rarely doesn't switch but the charging time is 3 hours as i mentioned.
I tried everything possible other than trying to flash another software it is with the stock but unlocked.
I cleaned the socket, used 10 different chargers with different cables, wiped cache and tried safe mode and more.
Sorry for making it a long post but this problem is driving me crazy and i want to know can it be software issue not hardware because the phone is used for 2 months and the socket can't be cleaner, and if i flash the stock rom again will it be locked by T-mobile and i would need to unlock it again?
Thanks alot.

First of all, try to change the cable that 98% of the time is the problem when having these types of issues . Then consider the fact that the battery's temp influences the time needed for charging so if it's hot, software will decrease power in charging so that will give a longer time to charge. Even using the phone while charging or leaving apps in background will extend time for charging.

I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.

TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
In every case, better Sammy's phone USB c connector then iPhones phone lightning connector because after a year you can't even charge the phone at all for having intermittent false contacts when you plug in the cable for the phones connector going bad....

TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
It's possible the the USB C connection is faulty, it's also possible it's a faulty charger cable or even a faulty charger .
Eliminate one by one, buy a good USB C cable to check if that cures the problem, it often does.
Whilst as Tokedup says it may be the usb socket in the phone as according to his post he didn't fix the problem it's not possible to conclusively determine the cause.
It's unlikely to be caused by software, but high ambient or high battery temperature will lead to charge rate reduction
Maybe try an app like accubattery, this will show the charge rate in mA.
With a genuine charger and cable fast charge will reach a maximum of 2800mA
https://play.google.com/store/apps/details?id=com.digibites.accubattery

joedellosso69 said:
First of all, try to change the cable that 98% of the time is the problem when having these types of issues . Then consider the fact that the battery's temp influences the time needed for charging so if it's hot, software will decrease power in charging so that will give a longer time to charge. Even using the phone while charging or leaving apps in background will extend time for charging.
Click to expand...
Click to collapse
Well i tried everything you said with no success.
The problem is the phone isn't fast charging at all.
I believe it's the phone socket actually.
Thanks anyways

TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
I think you are right but i didn't want to believe it because i am not going to change it and risk opening my phone i can try and live with that.
Thanks

paul_59 said:
It's possible the the USB C connection is faulty, it's also possible it's a faulty charger cable or even a faulty charger .
Eliminate one by one, buy a good USB C cable to check if that cures the problem, it often does.
Whilst as Tokedup says it may be the usb socket in the phone as according to his post he didn't fix the problem it's not possible to conclusively determine the cause.
It's unlikely to be caused by software, but high ambient or high battery temperature will lead to charge rate reduction
Maybe try an app like accubattery, this will show the charge rate in mA.
With a genuine charger and cable fast charge will reach a maximum of 2800mA
https://play.google.com/store/apps/details?id=com.digibites.accubattery
Click to expand...
Click to collapse
I already tried alot of cables and chargers so i am sure it's not one of them and now i am nearly certain it's the socket since you said it's unlikely to be a software issue, but i really wanted to know what could've caused it because i am sure i didn't do anything wrong.
I have been monitoring accubattery for a month now everytime i charge the phone. The mA is always between 800-1200mA and the phone takes nearly 2 hours to charge.
Thanks alot mate

just to be sure that it is not software related, remove all the battery optimization related 3rd party apps. clear cache and test the phone with stock usb cable and charger that came with the phone. what i had experience is that my note 9 SM-960F is sencitive to charger. if i use a third party fast charger or cable, it give me some sort of trouble like overheating or slow charging. so make sure you are using stock charger and cable that came with phone.

Munawar Mehmood said:
just to be sure that it is not software related, remove all the battery optimization related 3rd party apps. clear cache and test the phone with stock usb cable and charger that came with the phone. what i had experience is that my note 9 SM-960F is sencitive to charger. if i use a third party fast charger or cable, it give me some sort of trouble like overheating or slow charging. so make sure you are using stock charger and cable that came with phone.
Click to expand...
Click to collapse
I wiped data factory reset and cleared cache and tried safe mode so i don't think it's any of that.
the last try will be flashing the stock rom again but i am hesitant because i am afraid the phone will be locked again by T-mobile and i won't be able to unlock it
Thanks

Why not get a Samsung wireless quick-charger and try it?

A wireless charger will not be faster than cable charge but I would get one so you don't wear out that port to where it doesn't interface with a computer if needed in the future. Btw all my new phones thats the first thing I turn off is fast charging it degrades battery more over time.

TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
When I purchased my note 9 I did a post somewhere where I said the weakest link in this phone is the Charging port. And so right from the first week I got a wireless charging pad.
Also during the rainy season I keeps saying there is moisture in the port. Basiclly god help you if you live in a place with high humidity.
Like you this is the last Samsung Note I will buy in this life. My Audio packed up after the update. I suspect the over heating caused this. And their support is outsourced in India so they don't give a hoot about your issues.
To the OP.
Try a wireless charger if that fast charges Then you know its a port issue. If that also does not fast charge then its a chip / board issue.
I predict all note 9 users are going to see more and more problems as the over heating causes components to start to fail.
You can get a new USB port with flex cable for like 4$ on ali express go for it.