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Flash firmware on JXD L501

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How to flash JXD L501?


Why reinstall the firmware?

Errors in the Android OS start to appear regularly.

Some applications stop opening.

Many applications from the Play Market do not start.

The phone turns off for no apparent reason.

The phone began to slow down a lot.

You want to update the firmware, as it does not suit you in terms of functionality.





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. An SD card is needed to write firmware to it.

Find information about your smartphone model.

Fully charge your device's battery.

Download archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.

In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click 'Select Device', and find your phone model.

After selecting the phone, the application will redirect 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. 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'.

When 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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..





Firmware via TWRP

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.

Now you can start flashing. Click the 'Install' button.


TWRP

The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.

Select the location where you copied the files.



TWRP

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 flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.





Summary: Design: Classic; DualSIM mode: yes; SIM cards standard: Micro Sim; GSM: 850 900 1800 1900; HSDPA: HSPA; LTE: Dimensions (H/L/W): 143.8 x 71.1 x 8.4 mm, vol. 85.9 cm³; Display: LCD IPSColor (16M) 854x480px (5.0") 196ppi; Touch screen: yes; Battery: Li-Po 2000 mAh; Non-removable battery: yes; Built-in memory: 8 GB; Memory card: MicroSD max. 32 GB; RAM memory: 1 GB; Operating system: Android 5.1; Chipset: MediaTek MT6735; CPU 1: Cortex A53; CPU 1 frequency: 1300.0 MHz(4-core); GPU Type: ARM Mali-T720 MP2; GPU frequency: 600.0 MHz(2-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: 4.0; USB: 2.0; IrD ...

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