To successfully flash your Vivo 1801 using UMT, you need the following: vivo Y71 - Full phone specifications - GSMArena.com
While exact steps may vary by tool version, the standard workflow on UMT QC Fire includes: Open the UMT Qualcomm module on your PC. Vivo 1801 Flash File Umt
Because the Vivo 1801 is powered by a chipset, it is compatible with UMT’s Mediatek module, making the flashing process straightforward. To successfully flash your Vivo 1801 using UMT,
Locate the two specific EDL test points on the motherboard (often near the battery connector). Vivo 1801 Flash File Umt