Alba_AC40AS3G_SP7731_Android_7.0_FRP_HANG_LOGO_FIX.pac
Understanding the hardware is essential for selecting the correct repair files: : Alba 4 (AC40AS3G) Operating System : Android 7.0 (Nougat) Chipset : Spreadtrum SP7731 (Quad-core 1.2GHz) Memory : 1GB RAM and 8GB Internal Storage Display : 4.0-inch TFT (480 x 800 pixels) Issue Resolution Report 1. "Hang on Logo" Fix (Flashing Firmware)
Here is the structured content for the flash file and repair guide. This covers FRP bypass , hang logo fix , and dead boot recovery .
Flashing will erase all data (contacts, photos, apps). If the phone still powers on but is stuck, try to backup via ADB or recovery mode first. If it’s hard-bricked, skip this step.
