How to hard reset BLU Studio 5.5 C D690U
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1. Turn off the phone in any convenient way.
2. Press and hold the Volume Up(+) button, Volume down and POWER, for a few seconds.
3. When you see a menu with two options, release all the buttons.
4. To enter Recovery Use the Volume Up(+) and Volume Down(-) button to confirm.
5. Select wipe data / factory reset Use the Volume Up(+)/Down(-) buttons moving around the menu and press the POWER button to confirm.
6. Select Yes - Delete All User Data. Use the Volume down key to scroll and the POWER button to select.
7. Overload the phone, select reboot system now and press the POWER button to confirm.
Hard Reset - advantages and disadvantages BLU Studio 5.5 C D690U?
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.
Removal of viruses that interfere with the normal operation of applications and the system.
Solving various problems on the device that arise due to the conflict of applications.
Disadvantages of Hard Reset:
All data and applications on the device will be deleted.
The need to have a backup.
In some cases, it is impossible to remove all viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset you can use your phone, make sure you know the login / password to your google account.
Before a hard reset, you must first log out of your google account. In this case, after performing a factory reset, the phone will not be locked by the FRP.
If after a hard reset the phone is locked and you cannot remember the login and password to enter your Google account, then you need to bypass the FRP lock.
Not all modern phone models can bypass this protection, their owners will have to contact an 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 personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Synchronize your data and contacts with Google contacts, Google drive.
Backup your contacts and information.
With the service programs for your phone, you can transfer contacts, media files, and important data to your PC.
Summary: Design: Classic; DualSIM mode: yes; SIM cards standard: Micro Sim; GSM: 850 900 1800 1900; HSDPA: 850 1900 2100 HSPA; LTE: 1700 2100 2600; Dimensions (H/L/W): 155 x 79 x 9.9 mm, vol. 121 cm³; Display: TFTColor (16M) 480x854px (5.5") 178ppi; Touch screen: yes; Weight: 178 g; Battery: Li-Ion 2820 mAh; Built-in memory: 4 GB; Memory card: MicroSD max. 64 GB; RAM memory: 512 MB; Operating system: Android 4.4; Chipset: MediaTek MT6582; CPU 1 frequency: 1300.0 MHz(4-core); GPRS: yes; EDGE: yes; HSDPA: 21 Mb/s; HSUPA speed: 5,76 Mb/s; HSCSD: no; Wi-Fi: 802.11 b/g/n; Bluetooth: 3.0; NFC: yes; USB: 2.0; IrDA: no; WAP: 2.0; XHTML: yes; SyncML: no; Data and fax mode ...
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