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How to Hard Reset — Bosch 909 Dual S

Hard ResetBasic / Feature Phone

How to Hard Reset — Bosch 909 Dual S

⏱ ~5 min📋 3 steps

The Bosch 909 Dual S is a 1999 device. It features a Monochrome graphic, 96.0x32.0 display and is available in 3.

The 909 Dual S is equipped with a Removable Li-Ion battery. The device uses a Mini-SIM configuration. It weighs 109 g.

Hard Reset on the Bosch 909 Dual S 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.

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On this device this is just a forced restart/power-cycle — it does not erase data by itself. See Factory Reset for the data-erasing option.

1

Bosch 909 Dual S is a basic phone, not a smartphone — it has no hardware button combination or recovery partition that wipes data, unlike Android or iPhone

2

The only way to erase its data is the in-menu Factory Reset — see that guide below

3

If it's completely frozen, remove the battery for 30 seconds (if removable) to force a restart, then try the Factory Reset menu

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