2. Now, boot your device into the TWRP mode by pressing the correct key combinations. This can be different for every device. Most of the times, by pressing the Power and Volume down button at the same time, you can enter your phone into its TWRP recovery mode. Tap on the “Wipe” button in order to reset your device. The only thing to take into account is that your OPPO A15 will have to be turned off to activate Recovery Mode (if it is blocked, wait until the battery is completely empty before doing so). Try one of these methods to enable it: Hold down the volume up button and the Power button for several seconds. Hold down the volume up button, volume down As stated above, only hardware key combinations would work. Use volume up and down keys, and then highlight Wipe data / factory reset. Step 6: Now, just press the power button to select Wipe Cache Partition, to clear device cache. Step 7: Now use the volume keys and power button to select W ipe data / factory reset. Use Volume keys to select Menu. Use Power key to Confirm. Samsung Galaxy A71 Download Mode or ODIN Mode. Turn off the device. Press and hold Volume UP key + Power Key. When samsung logo appears, release power key only, keep pressing volume up until Android Recovery appears. Select Reboot to Bootloader. Use Power key to Confirm. Warning! .

oppo a71 recovery mode problem