Hard Reset OPPO A3s Pattern Lock Removal
https://gsmfixer.blogspot.com/2019/03/hard-reset-oppo-a3s-pattern-lock-removal.html
Hard Reset OPPO A3S is a process which restore the phone to its original settings and erase all data from memory. In the Remove OPPO A3s Pattern lock or OPPO A3s Hang on Logo problem, hard reset/factory restore method is applied. This process is carried out using hardware keys. OPPO A3s Hard Process has following steps:
STEP #1: Hold Power Button for a while to switch off Phone.
STEP #2: Hold together Volume Down and Power buttons
STEP #3: Release both keys when Oppo logo appears
STEP #4: Select English Language from appeared menu
STEP #5: Select Wipe Data twice
STEP #6: Finally, select OK two times and Reboot.
STEP DONE: That's All!
CAUTION: Hard Reset process will remove all phone settings, contacts and media data from phone. So take a backup of all important data before this process to avoid any loss.