Flash firmware on ZTE Blade A520
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How to flash ZTE Blade A520?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications do not open, reinstalling which does not lead to a positive result.
Many programs from the Play Market do not work.
The phone shuts down and restarts for no apparent reason.
The phone is slow.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On sites where developers post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your device.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click 'Select Device', and select your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
After downloading the image file, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Write the firmware to the SD card. Using a PC or laptop card reader.
Insert a memory card into the phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select 'Reboot' and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
You can start flashing. Click the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
Select the location where the files were copied. Press the 'OK' button.
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Sim Type: GSM+GSM (Hybrid Slot); Dual Sim: Yes; Sim Size: Nano SIM; Dimensions: 144 x 71 x 8.4 mm; Weight: 130 g; Type: Color IPS screen, 16M colors; Touchscreen: Yes, with Multitouch; Size: 5 inches, 720 x 1280 pixels; PPI: ~ 294 PPI; RAM: 2 GB; Internal memory: 16 GB inbuilt; Card Slot: Yes (Hybrid Slot); GPRS: Yes; EDGE: Yes; 3G: Yes; 4G: Yes; Wi-Fi: Yes, with wifi-hotspot; Bluetooth: Yes, v4.1; USB: Yes, microUSB v2.0; GPS: Yes, with A-GPS Support; Sensors: Accelerometer; 3.5mm Headphone Jack: Yes; Camera: Yes, 8 MP with autofocus; Features: Face detection, Geo tagging, Panorama, Touch to focus; Video Recording: Yes, 1080p @ 30fps; Flash: LED; Front Camera: Yes, ...
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