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Flash firmware on iPro Speed L

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How to flash iPro Speed L?


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 restarts or shuts down randomly.

The phone started to work slowly.

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 third-party developers post custom operating systems.


What should be done before installing the firmware?

Create a backup copy of user data, contacts and photos and transfer it to your computer.

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

Determine your smartphone model.

Fully charge your device.

Download archive with Firmware. Place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone.

When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.

On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.

TWRP

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.

When the download is finished, you need to return to the main screen of the Official TWRP App and click on the 'Select a file to flash' button. Select the file downloaded in the previous step.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.

Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into your 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

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

You can start flashing. Click the 'Install' button.


TWRP

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 storage to which the files were copied.



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 corrupted files when writing to the phone's memory sections.

The procedure for flashing the phone will begin, 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: OS: Android 5.1 Lollipop; CPU: Cortex-A53; CPU frequency: 1300.0 MHz (4-core); Chipset: Mediatek MT6735; GPU: ARM Mali-T720; GPU frequency: 600.0 MHz; RAM Memory: 1 GB; Display: LCD IPS Color (16M), 540x960 px (5.5") 200ppi; Touch screen: yes; Built-in memory: 8 GB; Memory card: MicroSDHC max. 32 GB; Camera: 7.99 MPx; Resolution: 3264 x 2448 px; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 5.04 Mpx; Resolution: 2592 x 1944 px; Bluetooth: 4.0; EDGE: no; GPRS: yes; GPS: yes; A-GPS: yes; LTE: LTE-FDD: 800, 900, 1800, 2100, 2600; GSM: 850 900 1800 1900; HSDPA: 900 2100; USB: 2.0; WAP: yes; Wi-Fi: 802.11 b/g/n; Audio out: Jack 3,5 mm; MP3 player: yes; MP3 ringt ...

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