Solved Samsung Galaxy J7 Battery Draining Even When Connected To Charger

The #Samsung #Galaxy #J7 is an affordable mid range smartphone that looks like a premium device. This phone sports a 5.5 inch Super AMOLED display, the same display type used in the  S series of smartphones, allowing the device to produce brilliant colors. The 2017 version of this phone uses the Exynos 7870 octa core processor combined with 3GB of RAM which allows the device to run apps smoothly. Although this is a solid performing phone there are instances when certain issues can occur which we will be addressing today. In this latest installment of our troubleshooting series we will tackle the Galaxy J7 battery draining even when connected to charger issue and other related problems.

If you own a Samsung Galaxy J7 or any other Android device for that matter then feel free to contact us using this form. We will be more than happy to assist you with any concern that you may have with your device. This is a free service we are offering with no strings attached. We however ask that when you do contact us try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.  

If you would like to browse the previous parts in this series then check out this link.  

J7 Battery Draining Even When Connected To Charger

Problem: Hello. I have a galaxy j7 and my problem is that my battery is draining even if it is connected to the charger while im using it on wifi. Like i have 27% of battery then i charge it and im using wifi it will become 26% then after few minutes it will be back to 27%. Before even if im using it on wifi it will still charge until full but now it will not. What is the problem of this the battery or the charger? Thank you for the answer.

Solution: To fix this problem try checking if the charger is causing the problem by cleaning the charging port of the phone then using a different charging cord and wall charger to charge the phone. If the issue still persists then the next step is to backup your phone data then do a factory reset. This way you will be able to check if the problem is caused by a software glitch.

In case the issue still persists then there’s a possibility that the battery is faulty. You will have to bring the phone to a service center and have it checked if this is the case.

J7 Keeps Trying To Reboot

Problem: My Galaxy J7 keeps trying to reboot showing the Galaxy J7 screen but will not finish starting up.  It seems lately when the battery starts to get around 30-40% this begins to happen. When it was doing that I generally would just restart the phone by pressing power and volume down key then I would be all set.  So, this reboot seems to be constant since yesterday afternoon. I have at times lately been getting a Unsupported SD card message, but its the same SD card that has been in the phone for years. This morning I read some of your fixes and all i have tried so far is to  hold down the power button for a minute to purge the in progress functions, and then remove the sd card. At that point restart phone without SD. Same problem, continues to try to reboot. At that point tried to start safe mode following your instructions, still just tries to continually reboot and will not go into safe mode

Solution: You should try to start the phone in recovery mode then wipe the cache partition of the device. Follow this up with a factory reset. Take note that the reset will erase your phone data so if there is a way to backup your phone data then I suggest you do it prior to the reset.

If the above steps fails to fix the problem then it’s likely that the battery of the phone is faulty. You will need to have this checked at a service center.

J7 Stuck On Start Screen

Problem: My Samsung J7 has been acting up for the past 2 weeks (Not sure what Android version it is). At first I thought it was the battery, but I think the system is the problem. I recently got a new battery because my previous battery would be drained in about 20 minutes. After getting the battery my phone die at the randomly (At 25%, 45%, and even 80%) When it shuts off it doesnt turn back on, even when I connect it for about a day and then when I reconnect it, it starts to charge from 0% till 100% (would take about 3 hours to fully charge). For about 3 days after getting the battery it would die after a couple of minutes till hours of use. Now today I tried to charge it which it did fully and then I turned it on and it seemed very slow and laggy and then it turned off. After it turned off, I tried to do a soft reset and turned it on. It would turn on and off repeatedly.It then showed me the message “Downloading do not turn off”.  Currently its stuck on the start screen.

Solution: The best thing that you can do right now is to remove the microSD card of the phone (if you have one installed) then start the device in recovery mode. From here you need to wipe the cache partition of the phone then do a factory reset. Take note that the reset will erase your phone data. If the above steps fails to fix the problem then you will need to bring the phone to a service center and have it checked.

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