It will work if the device goes to download mode by pressing Power + volume down + home and then volume up to enter download mode. Flashing Steps for any samsung phone Try to flash the device with Stock ROM using odin tool, it will solve stuck problem at logo. if its due to software or try to heat emmc or chnage it. As in video, phone has been flashed with update file. But, you have to use File with four different extension (PDA, CSC, Modem, BL)
There are few methods available which can help you to Remove frp Steps to remove frp using OTG cable:- you can use OTG cable and place APK file in pendrive then connect the OTG to phone USB storage will appear Install the APK file and open it you will be in Setting then click on Backup & Reset ->Factory data reset->Reset device-> delete All or if this method fails or you does not own OTG cable, try another method Samsung FRP unlock without OTG cable
If it happens all of sudden, then this will be a software issue. Problem may be of two type : 1- Software 2- Hardware Software can be repair through Hard Reset, Just try the combination (Power + Volume up + Menu) and if it fails then you have to Flash the device. Download files from Samsung-updates.com and check guide how to flash samsung android tablet Hardware Issue: If the software section fails to solve your issue, then you have to Change network ic. (Use multimeter to check PCB)
Try to charge with USB or Maybe Charging jack has shorting, try to clean the jack using bush and if the problem doesn't short out change Charging capacitor
