Please how do l solve this issue of “download boot loader 0%” I bought a umidigi phone, model a3, an android phone of version 8.1. The phone got bricked, after an upgrade done via OTA. I tried to restore the phone through the use of spflash tool. My problem is eaac time the process began it got terminated on “download boot loader 0 %” Although this is weird l haven’t had such experience with spflash tool before. Can anyone help me how to fix this issue and get back my phone.