Usually, some rooting techniques requires rebooting your phone so malamang may mali sa ginawa ng kaibigan mo kaya stuck at boot loop after restarting. Patingin mo na sa tech yan para sure.
If I may add mga lodi, I am not an Android user but this works for both platform:
Never close any background app (like swiping up/side ways) unless its "unresponsive". Apps that appear to be running in the multitasking view are actually frozen and will use very little – if any – power.
Your...
oo paps, pero mahirap makahanap talaga ng updated tut para dito. dami kong iPhone sa bahay na di magamit due to iCloud. Mostly sa mga sister in law ko na nakalimutan passwords hahaha.
Wala paps, best thing to do is contact him and ask for the password. May mga threads ata dito na may pang bypass or what pero alam ko it only works on iPhones 5 and below. I don't trust any methods claiming to have unlocked or removed iCloud accounts past iOS 9+
1. Try your charger to another iProducts (if you have) to see if its working.
2. Or try a different/working charger to your iPhone.
It could be just a possible charger issue, but if none of those works then it could be a battery or even worse a board issue.
Only way to recover iCloud account is if you know his Apple recovery key. Each iCloud account has a corresponding recovery key that is required for forgotten / changing passwords. Apple won't be able to provide you that info since it can only be found, copied or printed once you're logged in to...
Only way is if you know your Apple recovery key. Walang fix yan, lolokohin ka lang ng mga technician. AFAIK, wala ng pang bypass sa iOS after iOS 9 onwards... good luck.