Factory Reset BLU F91

OS: Android 11

CPU: Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

RAM: 128GB 8GB RAM

Display: 6.8 inches, 109.8 cm² (~84.8% screen-to-body ratio)

Camera: 48 MP, f/1.8, (wide) 1/2.0", 0.8µm, PDAF
5 MP, f/2.2, 115° (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Battery: Li-Po 5000 mAh, non-removable

User data format and reset BLU F91 to factory settings.

Before resetting to factory settings, it is recommended to remember the login and password from your Google account or delete your Google account if you are going to sell your phone. In this way, you will avoid problems with the Factory Reset Protection function, which asks for a password for a Google account.

Before reset BLU F91, follow these steps.

1. The phone battery must be 100% charged.
2. Copy your contacts, photos and user data to a flash drive or PC.
3. Logout from your Google Account.

BLU F91 - Erase All Content and Settings

1. Choose Settings menu.
2. Find and select General management menu.
3. Tap menu item Reset.

4. Press the menu item Factory data reset.

5. Confirm factory reset.

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.