Android上でブートループの問題は、あなたのAndroidが起動できない状況です。
So, if you're an Android user and love to mess around with ROMS, recoveries, kernels etc then you probably be face such issues all the time. By issues, I mean bricked phones, being stuck on the boot logo. From then on all you gotta do is follow the app properly and fix your phone from bootloop without flashing all your data.
Fix Bootloop :
★ Without PC
★ Using Odin
★ Using ADB
★ Using Recovery
Good luck for service your smartphone android from bootloop.