Hello,
I have several Tab Pro's that are all having the same problem. I have charged the devices to 100% then when it sits for a few days it will not turn back on. I have plugged it back in and it show 0%.
This is what i have done to try and find the issue...
1. I have reset all cables
2.Tried different batteries (USED)
3.Re-Rom with ODIN and Factory reset
4.Checked the pins on battery terminal for bad solder contacts
5.Waiting on new batteries
Now the interesting part. I charged 2 devices to 100% then disconnected the battery from the Logic board so I could check to see if the battery is discharging on its own. After 3 days I reconnected the battery terminal and tried to turn it back on. They will not power on, then I plug in the charger and battery icon shows up with 100% and then I'm able to turn it back on. Any ideas what the issues with these are I have about 8 of them all doing the same thing?
Thank you,
The battery doesn't discharge on its own so fast like your description. I have a Tab Pro 12.2 , which is off almost 3 months, when turns on it still keep the charge at 99%
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The problem is from the cracked battery connector, it will cause intermittent connection. Trust me, remove the back cover, use your hand to press directly on the battery connector while turning it on, it might work depending how bad the crack is. All you need is resolder the battery connector.
Beut said:
The battery doesn't discharge on its own so fast like your description. I have a Tab Pro 12.2 , which is off almost 3 months, when turns on it still keep the charge at 99%
The problem is from the cracked battery connector, it will cause intermittent connection. Trust me, remove the back cover, use your hand to press directly on the battery connector while turning it on, it might work depending how bad the crack is. All you need is resolder the battery connector.
Click to expand...
Click to collapse
I have tried to resolder a few of them and they still do not turn on or they discharge the battery. I have a few that I charged the batteries up to 100% and disconnected them from the battery terminal on the logic board over the weekend. They all still do not turn on, then I connect the charger and the battery icon shows up with 100% then I can turn it on. I have tried what you said and pushed on the terminals on all of the ones I have and not one will turn on. I'm starting to think there is a issue with the power management chip on the board. Has anyone tried to replace any of these?
I have had issues with SM-t/p900 12.2 pros that had the issues you are talking about, not charging, flickering screen, and the terminals needed to be resoldered. I could actually push the pins up and down. The SM-t520 pins are solid and do not move.
Related
When I use GPS and want to charge from car charger, phone drops battery percentage, little slower then without a charger, but still dropping. So I thought that the charger is not strong enough, and bought another one with 3.1A, little better but still dropping. Then I try with home charger and no dropping, the GPS is working and battery is charging!
Is that normal, that the car charger can not charge the battery when the phone is in heavy use? The home charger have only 1A, and car 3.1A.
Try NOT using an original HTC cable but instead a generic cable.
I recently purchased an external battery pack to charge my phone while on the move, I thought it would be best to use an original HTC cable but found it was charging to slow, when I checked in settings- power it stated at the top that it wasn't Charging as AC.
I suggest you go to your car and plug in your phone
Then go to: settings - power, check if your phone is charging as AC, if not you'll need to try with another cable ( check screenshot)
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I don't use original cable anyway, have other cable in car. Check it and it say AC.
Adapter is this one:
That's really strange mate, I don't have this issue, is there any possibility of trying a different car charger & or cable?, maybe a friend's just to eliminate it as a possibility.
I tried today different things, original htc charger and cable, different charger and cable, and all of that in different car...
The best was with original htc charger and non-original cable. Phone start charging and i think that was that, BUT...
After approximately half an hour, start discharging again, and i think that i accidentally move the cable, but the red charging led was glowing. When checked in power settings, there say "discharging". I disconnect the charger and connect again, start charging but after a minute it stop. Some overheating, maybe?
It sounds like that could be the problem (over heating) maybe you should try a different kernel and undervolt a little to see if it will help.
Ok, I can try, I'm currently on Lyapota's 023 kernel and Viper X 4.1.1, everything else working very well.
I use #017 pre aroma and it runs very cool
Yes, lot's of people says that this version is the best, I would try it.
So, you try to use gps and the phone charging ok with Lyapota 017? Which rom you use?
I have not had any problem using GPS and charging, I use the lates t MaximusHD.
Ok, thanks, will try with 017 and report back.
Edit:
I didn't know that this is a very common problem, that the cable is the one who can't supply enough current. I found many articles about this problem, and found something very interesting on Youtube. Will try this tomorrow and report if it works.
http://www.youtube.com/watch?v=-9-rfImR86g
Hi my tablet is crashing every time the battery is lower than 80% (it turns off immediately) end keeps crashing every time i restart it and begin using it after 2 or 3 seconds and the battery drains every restart .Is it surely a battery problem or it could be caused by anything else?
lomlom10 said:
Hi my tablet is crashing every time the battery is lower than 80% (it turns off immediately) end keeps crashing every time i restart it and begin using it after 2 or 3 seconds and the battery drains every restart .Is it surely a battery problem or it could be caused by anything else?
Click to expand...
Click to collapse
Probably you have a cracked battery connector, common problem of Samsung tablet. Re solder will fix this problem, you can verify by removing the back cover, apply directly pressure on the black battery connector and turn your tablet on; if it works, problem solved, just find someone or a repair shop to help you to re solder the battery connector.
Don't forget to fix the white battery connector too, it's also the source of problem
http://forum.xda-developers.com/gal...-flicker-screen-freezes-random-t3165471/page2
Beut said:
Probably you have a cracked battery connector, common problem of Samsung tablet. Re solder will fix this problem, you can verify by removing the back cover, apply directly pressure on the black battery connector and turn your tablet on; if it works, problem solved, just find someone or a repair shop to help you to re solder the battery connector.
Don't forget to fix the white battery connector too, it's also the source of problem
http://forum.xda-developers.com/gal...-flicker-screen-freezes-random-t3165471/page2
Click to expand...
Click to collapse
thank you for the reply I unplugged the black connector and re-plugged it and the problem seems to be fixed but i didn't find the white battery connector
lomlom10 said:
thank you for the reply I unplugged the black connector and re-plugged it and the problem seems to be fixed but i didn't find the white battery connector
Click to expand...
Click to collapse
Unplugged and re-plugged battery helps to solve problem, then you may need to do this little fix of the white battery connector. I had one battery which didn't take charge, after this simple fix , it works normal again.
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You need a thin knife and magnified glass to do this fix, push the opening as close as possible.
https://www.youtube.com/watch?v=PU0OoZSbma8&feature=youtu.be
I got the OTA update for my Galaxy Tab S 10.5 to Android 6.0.1. Ever since installing it I've been having USB issues from not charging and not being detected in Windows 10. Whenever I plug an USB cable it shows the battery icon with a red X, no matter what cable or charger I use. It also does this in Windows. I installed the Samsung drivers and neither Odin or Kies can detect it. Device Manger doesn't show any unknown device or the tablet. The only way I can charge it now is to turn it off and leave it overnight. This gets maybe 6-8% charge. I've also tried factory reset, but same issue. Is this tablet pretty much done for now?
In the Developer Options menu, tick 'USB Debugging'
If you have not been able to charge to 100% even though you have tried a number of cables and chargers then it looks like you battery has gone bad.
A battery can just die just by going to low, it might have been weak and this was the straw that broke it`s back, I found my T800 battery dead the other week it would not turn on, a bad app had drained it overnight, luckily i charged to 100% and it seems to be fine.
You can get replacement battery`s on eBay for like $10 and tool kits for like $4 and there are lots of youtube video`s on how to replace the battery it looks easy.
I already have my replacement battery and tool kit ready for when my battery goes bad as they all do eventually and i love my 10.5" too much for a dead battery to stop me using it for long.
Here`s my Kit, I have posted this photo a few times.
https://www.youtube.com/watch?v=s46NaOnx3iM
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John.
Have you tried a completely different computer? I have had issues frequently in the past with this device but a different computer always recognized it.
On another note, that red X is normal.
http://www.samsung.com/ca/support/skp/faq/1064881
I tried the methods above minus opening it. I left it plugged into my PC for half a week and came back to it. Randomly decided to start working as if none of this ever happened. When I turned it back on it was still stuck at 34%, but it now showed a charging icon instead of a red X. I've been using it on all different chargers so far and no issues.
My battery gauge got stuck at 100% Tab will die without ever going down at all. Anyone have any ideas? I have rebooted several times, wiped the cache, and did a factory reset.
It is not rooted 8.4 inch Verizon LTE.
Sent from my HTC6525LVW using XDA-Developers mobile app
mpappas87 said:
My battery gauge got stuck at 100% Tab will die without ever going down at all. Anyone have any ideas? I have rebooted several times, wiped the cache, and did a factory reset.
It is not rooted 8.4 inch Verizon LTE.
Click to expand...
Click to collapse
The battery shows 100% but immediate shuts down indicates your battery connector's joints have cracked, not connected to mainboard.
The same thing if your battery disconnected from mainboard, plug in your charger, press HOME button, it will briefly show the green 100% batttery icon
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Bring it to a repair shop or anyone who knows how to solder, to resolder the battery connector.
It takes no more than 5 minutes
https://www.youtube.com/watch?v=DaAKjmrMR2s
You can try to power on while pressing directly on the black battery connector to help closing the cracks.
Another case: the white battery connector with 6 wires has loose connection, try to disconnect and reconnect the battery may help.
Beut said:
The battery shows 100% but immediate shuts down indicates your battery connector's joints have cracked, not connected to mainboard.
The same thing if your battery disconnected from mainboard, plug in your charger, press HOME button, it will briefly show the green 100% batttery icon
Bring it to a repair shop or anyone who knows how to solder, to resolder the battery connector.
It takes no more than 5 minutes
https://www.youtube.com/watch?v=DaAKjmrMR2s
You can try to power on while pressing directly on the black battery connector to help closing the cracks.
Another case: the white battery connector with 6 wires has loose connection, try to disconnect and reconnect the battery may help.
Click to expand...
Click to collapse
Thanks but the battery works, just the gauge stays at 100% until it dies. If I charge it unplugged the gauge will start at 100% then slowly goes down then goes back up. But when I turn it on it stays at 100% the whole time.
Sent from my HTC6525LVW using XDA-Developers Legacy app
mpappas87 said:
Thanks but the battery works, just the gauge stays at 100% until it dies. If I charge it unplugged the gauge will start at 100% then slowly goes down then goes back up. But when I turn it on it stays at 100% the whole time.
Click to expand...
Click to collapse
The battery capacity goes up and down is an obvious sign of cracked battery connector. It will cause intermittent connection.
You need to read this threat to understand which is causing the problem, not only this model but other Samsung tablets as well.
https://forum.xda-developers.com/galaxy-tab-s/help/screen-flicker-screen-freezes-random-t3165471
Hello everyone. My question is related to the pin connector and battery life:
3 months ago, i though it was moment for battery replacement of my S 8.4, but in the process i broke the 6-pin connector placed in the board. So, I tried to deal with it and charge the new battery once, with the connector slightly detached and badly soldered. It went bad since wasn't charging normally, i screwed badly the connector so had to replace it.
I ordered the new connector with an official tech support. Connector took few weeks to arrive (i live in Chile). I did the microsoldering with a lot of troubles, and after watching tutorials and buying soldering stuff, practicing and studying the possible troubles i could face, i finally did it (see the pic). Anyway I'm skeptic about what i just did XD (btw i used soldering paste for smd, really cool stuff)
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Now it's charging, after 3 hrs it went from 20 - 90%. My questions are 2:
1) considering that many experts point out that lithium battery's first charge is extremely important for technical reasons (SEI forming on first charge cycle; non full charge leads to fading over time), should i replace my battery soon, if i stored at 20% for 2 months?
2) how do i know if i soldered correctly the connector, should i consider the time it takes (normally charging cycle was around 3 hrs 30 from 0 - 100%)?
Thanks!
need help with soldering
Hi buddy , have a similar needs as yours, except in my case i did not break the connector , it broke by itself after a few months , guess a bad solder at the samsung factory itself .
So now coming to the point , i ordered a new connector and was thinking to solder it myself as service center was charging a hefty price for a small repair . Could you please guide me as to what all is required to do it properly .
li-ion battery`s dont need a forming charge on first charge.
Dont run the battery too low as the battery can fail, I don't go below 20% (I use a charge level alarm)
I don't charge above 80%(I use a charge alarm) , I have charged to 100% only 7 time in 28months(only after flashing or upgrades to calibrate the battery gauge)
i have used my T800 every day and no problems so far.
John.
Im also having the same problem...
The connector pin just came off from the motherboard...In my case..im so afraid to do the microsoldering,however i tried “reflow solder” heat up the connecter while sticking it on the motherboard for few seconds...then let it cool...yes it was succesfully connected..but its not strong enough...it just came off again when i grabbed the tablet to put on its backcover...The main reason why im scared to do the microsoldering is what if i accidently damaged other components in the motherboard...is there any other way to solve this issue other replacing the motherboard...