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How to Factory Reset — BenQ-Siemens EF91

Factory ResetBasic / Feature Phone

How to Factory Reset — BenQ-Siemens EF91

⏱ ~5 min📋 5 steps

The BenQ-Siemens EF91 is a 2006 device and 32MB internal storage. It features a 2.0", TFT, 256K colors, 240.0x320.0 display and is available in Arctic Silver.

The EF91 is equipped with a Removable Li-Ion 1000 mAh battery, a 15 MP, Yes main camera. The device uses a Mini-SIM configuration. It weighs 100 g.

Factory Reset on the BenQ-Siemens EF91 works differently than it does on Android, since this phone uses its own menus and terminology. Follow the steps below, written specifically for this device rather than adapted from Android instructions.

All personal data, accounts, and apps will be permanently removed.

1

Open the Menu or Settings on the phone

2

Look for 'Restore Factory Settings', 'Master Reset', or 'Reset Phone' (naming varies by manufacturer)

3

Enter the security code if asked — the factory default is commonly 0000 or 1234 if you never changed it

4

Confirm to erase all data and restore original settings

5

The phone restarts automatically once finished

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