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How to Factory Reset — Microsoft Lumia 640 LTE Dual SIM

Factory ResetWindows Phone

How to Factory Reset — Microsoft Lumia 640 LTE Dual SIM

⏱ ~5 min📋 6 steps

The Microsoft Lumia 640 LTE Dual SIM is a 2015 Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 device powered by the Qualcomm MSM8926 Snapdragon 400 (28 nm) with 1GB and 8GB internal storage. It features a 5.0", IPS LCD, 720.0x1280.0 display and is available in Glossy cyan, Orange, White, Matte black.

The Lumia 640 LTE Dual SIM is equipped with a Li-Ion 2500 mAh, removable, a 8 MP, 1080p@30fps main camera, a 1 MP, 720p front camera. The device uses a Dual SIM (Micro-SIM, dual stand-by) configuration. It weighs 145 g.

Factory Reset on the Microsoft Lumia 640 LTE Dual SIM works differently than it does on Android, since this platform 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

Back up your data first via your Microsoft account

2

Open Settings

3

Tap 'About'

4

Tap 'Reset your phone'

5

Confirm the warning — this erases all data and reinstalls the default settings

6

The device restarts and walks through initial setup again

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