How to hard reset Karbonn A21
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1. Turn on the phone using the POWER button.
2. Next, you need to press and hold the POWER and Volume Up(+) button.
3. When you see the green screen, do not release the Volume Up(+) key.
4. When you see the red screen release the Volume Up(+) button.
5. In the menu, select "Wipe Data with Factory Reset" and press the POWER button for a few seconds.
6. It is necessary to approve the operation, select Yes and confirm the selection by clicking the POWER button for a few seconds.
7. Select reboot.
Hard Reset - advantages and disadvantages Karbonn A21?
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, thereby improving its performance.
Removal of malicious programs that create difficulties in the operation 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:
Permanently deletes all data on the device.
The need to have an up-to-date backup of your data, contacts, settings and media files.
Even after a hard reset, viruses can remain on the phone.
What needs to be done before the Hard Reset operation.
Before hard reset, you need to remember the login / password to your google account, otherwise you will not be able to use the phone since it will be blocked by the FRP.
ÒYou can sign out of your google account before resetting. To use your device immediately without any problems.
In case you have already done a factory reset and cannot remember the login and password for logging into your Google account, for most models there are instructions for bypassing protection (FRP).
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 remains in the memory of your phone, then it can be saved in the following ways:
Sync your data 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: OS: Android (4.0); Colors: White; Physical size: 5 megapixels; Flash: LED; Features: Autofocus, Face detection; Camcorder: Yes; Front-facing camera: 1.3 megapixels; Processor: Dual core, 1200 MHz; Built-in storage: 4 GB; Storage expansion: microSD, microSDHC up to 32 GB; Talk time: 5.00 hoursthe average is 11 h (671 min); Stand-by time: 8.3 days (200 hours)the average is 20 days (478 h); Capacity: 1800 mAh; Music player: ; Filter by: Album, Artist, Playlists; Features: Album art cover, Background playback; Supported formats: MP3, AAC, AAC+, WAV, AMR, MIDI; Video playback Supported formats: MPEG4, H.263, H.264, 3GP; Speakers: Loudspeaker; Broadcast Mobile TV: Yes; Browser ...
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