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How to factory reset OPPO F9 Pro? How to wipe all data in OPPO F9 Pro? How to bypass screen lock in OPPO F9 Pro? How to restore defaults in OPPO F9 Pro?
The following tutorial shows all method of master reset OPPO F9 Pro. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your OPPO F9 Pro will be as new and your MediaTek Helio P60 (MT6771) core will run faster.
OPPO A3S HARD RESET NEW METHOD 2019 - video
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