Oppo Mobile supported flashing devices

It is a problem to Hard Reset and Remove Google Account of all Oppo mobile phones.
A33
A33F
A37
A57
F1
F1+
F1s
Oppo FIND5
Oppo Joy
R5
S7...........................................................


For first time MRT Dongle and Miracle Box support all Oppo Mobile Phones. With these tool we can Restore factory settings, Hard Reset, Unlock and remove FRP.

Oppo A57 official firmware Free download

Dimensions	149.1 x 72.9 x 7.7 mm
Weight	147 g
Battery	2900 mAh, (Non-removable Li-Ion)
OS	Android OS, v6.0 (Marshmallow)
Memory	32GB built-in, 3GB RAM MicroSD card (support up to 256GB) (uses SIM 2 slot)
Processor	1.4 GHz Octa-Core Cortex-A53, Qualcomm MSM8940 Snapdragon 435 GPU: Adreno 505

Download Firmware from
 mediafire.com