How to Fix Common Custom ROM Problems
Here are solutions for the most common custom ROM issues.
1. Bootloop
Symptoms
Device restarts repeatedly, never reaching home screen.
Solutions
Wait 10 minutes - First boot can be slowReflash ROM - Clean flash with full wipesTry stock kernel - Custom kernel incompatibilityRemove Magisk modules - Boot to safe modeFlash older version - New version may have bugs2. Battery Drain
Symptoms
Battery drains faster than on stock ROM.
Solutions
Fresh flash - Dirty flash can cause issuesCheck wakelocks - Use Better Battery StatsGreenify apps - Hibernate problematic appsDisable features - Turn off unused featuresTry different kernel - Kernel affects battery3. Camera Not Working
Solutions
Clear camera app dataInstall GCam - Works better on many devicesCheck for vendor patches - Some ROMs need themTry different ROM version4. No Mobile Data
Solutions
Reset APNs - Settings > Network > APNs > ResetCheck CSC - Country-specific codeReflash ROM - May have flashed wrong variantUpdate modem - Flash latest firmware5. Fingerprint Issues
Solutions
Re-register fingerprintsClear fingerprint dataCheck for ROM patchesUpdate firmware6. SafetyNet Failing
See our dedicated SafetyNet guide for solutions.
7. Slow Performance
Solutions
Fresh install - Not dirty flashReduce animationsClear Dalvik cacheTry different kernelCheck for background appsPrevention Tips
Always backup before flashingRead changelog before updatingFollow installation instructions exactlyJoin device-specific communities---
*Most problems have solutions - don't give up!*
