2. Press and hold the Volume Up(+) and POWER button at the same time within a few seconds.
3. Release the retained buttons when boot mode appears .
4. Select from the menu Recovery using the volume up key and click the Volume Down button to confirm the selection.
5. Press the POWER button for a couple of seconds to go to Recovery mode.
6. Select on the menu item wipe data / factory reset Use the Volume down button and press the Volume Up(+) button to confirm.
7. Now, confirm the operation, select Yes and click the Volume Up(+) button to confirm.
8. Overload the phone, select reboot system now and press the Volume Up(+) button to confirm.
Hard Reset - advantages and disadvantages Karbonn Titanium S21?
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 viruses that block applications on the device and give persistent errors. Solving problems that have arisen on the device, for example, between the camera and other applications.
Disadvantages of Hard Reset:
Your files and data will be irretrievably lost. The need to back up contacts and all user data. Not all viruses on Android can be removed even after returning to factory settings.
What needs to be done before the Hard Reset operation.
If you are going to do a hard reset on your phone, then be sure to make sure that you know the access data for your google account. So that, after performing a factory reset, you do not need to remember the login password for the google account, you can log out of the google account before the hard reset. If after a hard reset you cannot use the phone because the phone is locked by FRP, then you need to use the instructions for bypassing the FRP lock for your phone model. Not all owners of new phone models will be able to bypass the protection of the FRP and for this they will need to contact the official service center.
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:
Sync your data with Google contacts, Google drive. Using the Titanium Backup program, create a backup. Transfer contacts, media files and important data to your PC using service programs for your smartphone model.
Summary: OS: Android (4.4.2); Dimensions: 3.2 megapixels; Flash: LED; Features: Digital zoom, Geo tagging; Camcorder: Yes; Features: Video calling; Front-facing camera: 0.3 megapixels VGA; Processor: Quad-core, 1200 MHz; Graphics processor: Yes; System memory: 512 MB RAM; Built-in storage: 4 GB; Storage expansion: microSD, microSDHC up to 32 GB; Talk time: 3.00 hoursthe average is 15 h (890 min); Stand-by time: 5.7 days (136 hours)the average is 18 days (423 h); Capacity: 1600 mAh; Type: Li - Ion; Music player: ; Filter by: Album, Artist, Genre, Playlists; Features: Album art cover, Background playback; Supported formats: MP3, AAC, FLAC, WAV, M4A (Apple lossless), AMR, OGG, MIDI; ...
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