Vivo 1801 (Vivo Y91 / Y91i) Tool Supported: UMT (Ultimate Multi Tool) Purpose: Fix dead boot, FRP lock, hang on logo, and software issues.
Using UMT to flash a Vivo 1801 device offers several benefits, including: Vivo 1801 Flash File Umt
Locate the two specific EDL test points on the motherboard (often near the battery connector). Vivo 1801 (Vivo Y91 / Y91i) Tool Supported:
Vivo_1801_MT6762_8.1.0_UMT.7z File Size: ~2.1 GB Scatter Compatible: MT6762 hang on logo