How to hard reset Nokia Lumia 638
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1. To start the Hard reset procedure, the phone must be turned off.
2. Next, you need to press and hold the POWER and volume buttons and connect the phone to the PC for a few seconds.
3. Release the buttons when you see an exclamation mark on the screen.
4. Press the buttons in the following order: Volume Up(+) -> Volume down -> POWER -> Volume down.
5. The phone will reboot.
Hard Reset - advantages and disadvantages Nokia Lumia 638?
In simple words, Hard Reset means hard resetting the phone. As a result, the system automatically returns to the factory settings and the system is completely cleared. Contacts, correspondence, application, files, search queries, passwords - all of this is deleted from the device's memory.Benefits of Hard Reset:
The ability to reset the phone to factory settings, thereby increasing the stability of its work.
Removal of viruses that interfere with the normal functioning of the device.
Solving problems that have arisen due to the installation of some applications on the phone and have not disappeared after they were removed from the phone.
Disadvantages of Hard Reset:
All your data stored in the phone will be permanently deleted.
The need to have an up-to-date backup of your data, contacts, settings and media files.
In rare cases, it is impossible to remove some viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset the phone is not blocked by the FRP, make sure that you know the login / password to your google account.
ÒYou can sign out of your google account before resetting. To use your device immediately without any problems.
If after a hard reset you cannot remember the login password to enter your Google account, then you need to use the instructions for bypassing the FRP lock for your phone model.
You will need to contact the official service center to bypass the FRP protection on some new phone models.
After performing a hard reset, your device will be completely wiped clean. Everything that was in the memory of your device will be deleted.
What can be done to avoid losing important information?
If important information (contacts, sms, photos, videos) remains in the memory of your device, then there are the following options to save it:
Synchronize your data and contacts with Google contacts, Google drive.
Using the Titanium Backup program, create a backup.
Using the service programs for your phone model, you can transfer important data to your PC.
Summary: Dimensions (mm): 129.50 x 66.70 x 9.20; Battery capacity (mAh): 1830; Removable battery: No; Colours: Orange, Black, Yellow, White; SAR value: NA; Screen size (inches): 4.50; Touchscreen: Yes; Resolution: 480x854pixels; Processor: 1.2GHz quad-core; Processor make: Qualcomm Snapdragon 400; RAM: 1GB; Internal storage: 8GB; Expandable storage: Yes; Expandable storage up to (GB): 128; Rear camera: 5-megapixel; Flash: No; Front camera: No; Operating System: Windows Phone 8.1; Wi-Fi: Yes; Wi-Fi standards supported: 802.11 b/ g/ n; GPS: Yes; Bluetooth: Yes; NFC: No; Infrared: No; Wi-Fi Direct: No; MHL Out: No; HDMI: No; Headphones: 3.5mm; FM: No; GSM/ CDMA: GSM; 3G: Ye ...
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