Flash firmware on ZTE 9521ABB Boost Max
Mobiles >> ZTE >> ZTE 9521ABB Boost Max| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
How to flash ZTE 9521ABB Boost Max?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications will not open.
Many applications from the Play Market do not start.
The phone turns off for no apparent reason.
The phone slows down a lot during operation.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On Internet resources where users post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to your computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.
Download archive with Firmware.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click 'Select Device', and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. 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. Then we tell the program the path where the file loaded in the previous step is located.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the necessary files to the SD memory card. Using a PC or laptop card reader.
Insert a memory card into the device.
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. This will delete all user data from the device, but avoid a wide range of 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 you copied the files.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using damaged files during recording.
The procedure for writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Design: Classic; SIM cards standard: Micro Sim; LTE: 1900; Other: CDMA 800 EvDO; Dimensions (H/L/W): 165.1 x 82.6 x 10.2 mm, vol. 139.1 cm³; Display: LCD IPSColor (16M) 1280x720px (5.7") 258ppi; Protection LCD: Gorilla Glass; Touch screen: yes; Weight: 194.7 g; Battery: Li-Po 3400 mAh; Built-in memory: 16 GB; Memory card: MicroSD max. 32 GB; RAM memory: 2 GB; Operating system: Android 5.1; Chipset: Qualcomm MSM8930; CPU 1 frequency: 1200.0 MHz(4-core); GPU Type: Adreno 306; GPU frequency: 450.0 MHz; GPRS: no; EDGE: no; HSDPA: no; HSCSD: no; Wi-Fi: 802.11 b/g/n; Bluetooth: 4.0; USB: 2.0; IrDA: no; WAP: 2.0; XHTML: yes; SyncML: no; Data and fax mode: yes; Ca ...
Comments, questions and answers on the flash firmware ZTE 9521ABB Boost Max
Ask a question about ZTE 9521ABB Boost Max