Originally Posted by egodiih
Anytime I reset (turn off and then turn on) my phone it will be showing Samsung logo forever until I remove battery and turn it on again. But when the system initializes it will reset back again and be stuck in the logo again. Then the only solution is to wipe data/factory reset.
This began a month ago when I was deactivating ULTRA POWER SAVING MODE and it reset by itself.
I have never flashed or rooted this phone or anything similar.
Is it possible to wipe the system completely and reinstall the firmware? I bet this would void warranty. Any help?
Sent from my SM-G900M using XDA Free mobile app
Yes, it's possible, your warranty will be safe.
Boot your phone into recovery by holding VOLUME UP, HOME BUTTON, POWER BUTTON
Do factory reset when recovery screen shows up.
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Sent from my Galaxy S5 using Tapatalk Pro
Device: Galaxy S5 G900I
ROM: XtreStoLite ROM by @edgarf28
Kernel: KT Kernel by @ktoonsez with modified ktoonsifized v2 profile