Flash firmware on Lava Iris 504Q Plus
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How to flash Lava Iris 504Q Plus?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Some applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone slows down a lot during operation.
You are not satisfied with the functionality of the stock (official) firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On certain sites where developers post custom or official OS.
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 your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device's battery.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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 on the 'Select Device' drop-down list, and select 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.
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.
Transfer the necessary files to the SD card. Using a PC or laptop card reader.
Insert a memory card into your phone.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, 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.
Now you can start flashing. Press the 'Install' button.
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. Press the OK button.
Find the file we need 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 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 completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Operating System: Android v4.2.2 (Jelly Bean); SIM Slot(s): Dual SIM, GSM+GSM; SIM Size: SIM1: Micro; Network: 3G: Available, 2G: Available; Dimensions: 146.7 (H) x 72.5 (W) x 7.9 (T) mm; Weight: 149 grams; Colours: Gray White; Screen Size: 5.0 inches; Screen Resolution: HD (720 x 1280 pixels); Pixel Density: 294 ppi; Display Type: IPS LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Chipset: MediaTek MT6582; Processor: Quad core, 1.3 GHz, ARM Cortex A7; Graphics: Mali-400 MP2; RAM: 1 GB; Internal Memory: 8 GB; Expandable Memory: Up to 32 GB; User Available Storage: Up to 5.33 GB; Resolution: 10 MP; Sensor: Back-illuminated sensor (BSI), Exm ...
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