This method is essential if your phone is bricked (stuck on logo), has a forgotten password, or won't boot. This method is specifically for the MTK chipset in the F1s.
Anil’s hands trembled. MTK Droid Tools? He’d never heard of it. A frantic search led him to a SourceForge page. He downloaded it, ran it, but his phone wouldn’t connect. Because the phone was in a boot loop. It was a paradox: to backup the NVRAM, he needed the phone to be recognized. To fix the phone, he needed to risk the NVRAM. oppo f1s firmware download 712 work