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Oppo A91
Reset & recovery guide · Phone · Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Phone

Oppo A91 — Hard Reset, Factory Reset & Recovery Mode Guide

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Hard Reset via Recovery — Oppo A91

Optimized for A91 (Android 9.0 (Pie), upgradable to Android 11, ColorOS 11)

⚠️ A hard reset erases ALL data (apps, photos, accounts). Back up first.
1
Power off your Oppo A91.
2
Hold Volume Down + Power until the Fastboot screen appears.
3
Navigate to "Recovery mode" and press Power.
4
If you see "No command", hold Power and tap Volume Up.
5
Select "Wipe data/factory reset" and confirm.
6
Choose "Reboot system now" to finish the hard reset.
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Factory Reset from Settings — Oppo A91

Optimized for A91 (Android 9.0 (Pie), upgradable to Android 11, ColorOS 11)

⚠️ Permanently deletes personal data. Make sure backups are saved.
1
Open Settings on your Oppo A91.
2
Go to "System" then "Reset options".
3
Tap "Erase all data (factory reset)".
4
Confirm your screen lock.
5
Tap "Erase all data" to begin the factory reset.
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Enter Recovery Mode — Oppo A91

Optimized for A91 (Android 9.0 (Pie), upgradable to Android 11, ColorOS 11)

✅ Safe to enter — this does not erase any data.
1
Power off your Oppo A91.
2
Press and hold Volume Down + Power for 5–7 seconds.
3
Release when the Recovery Mode screen appears.
4
Use Volume buttons to navigate and Power to select.
5
To exit safely, select "Reboot system now" — no data is lost.
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FRP Bypass (Google Lock) — Oppo A91

Optimized for A91 (Android 9.0 (Pie), upgradable to Android 11, ColorOS 11)

For legal owners only. Do not use on lost or stolen devices.
1
⚠️ Legitimate owners only — you must own this Oppo A91.
2
On the Google verification screen, connect to Wi-Fi.
3
Tap "Forgot password?" and attempt recovery via email or phone.
4
Visit google.com/accounts/recovery from a computer.
5
After recovering access, sign in on your Oppo A91.
6
Complete device setup — FRP verification cleared.

Why reset your Oppo A91?

A hard reset on the Oppo A91 fixes boot loops, forgotten PINs and persistent lag. Using Volume Down + Power, you can access recovery mode and wipe the device back to factory condition. Always back up your data first, as a reset cannot be undone.

Frequently asked questions

Will a hard reset delete everything on my Oppo A91?

Yes. A hard reset (also called a factory reset) erases all apps, photos, messages, and accounts, returning the Oppo A91 to its out-of-box state. Back up anything you want to keep before starting.

Does resetting the Oppo A91 remove the SIM lock or carrier lock?

No. A hard or factory reset only clears data and settings — it doesn't remove a carrier/SIM lock, which is tied to the device's IMEI at the network level. You'd need to contact your carrier for an unlock.

How long does a factory reset take on the Oppo A91?

Typically a few minutes, though it can take longer on older or heavily used devices as more stored data has to be wiped.

Will I need my Google account password after resetting the Oppo A91?

Yes, if Factory Reset Protection (FRP) is enabled. Android (and HarmonyOS 2.x devices with Google services) will ask for the last signed-in Google account after a reset — make sure you know that password first.

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