Hold down the and Volume Down buttons simultaneously, then connect the phone to the computer via the USB cable.
Flashing wipes all data on the internal storage. Safely transfer your photos, contacts, and documents to a PC or cloud storage. Firmware OPPO A57s
A stable connection is vital. Use the original OPPO USB data cable connected directly to a reliable USB port on your computer. Hold down the and Volume Down buttons simultaneously,
The stock firmware (or Stock ROM) is the original operating system built by OPPO, running on top of ColorOS . Flashing this official factory package serves as a master reset tool for your device. A stable connection is vital
Complete Guide to Firmware Go to product viewer dialog for this item. : Download, Installation, and Troubleshooting The OPPO A57s (Model CPH2385)
Flashing firmware carries inherent risks. Prepare your device and computer by completing this checklist:
Resolves issues like "hang on logo" or "dead boot".