Flash firmware on ORRO I9500W
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How to flash ORRO I9500W?
Why reinstall the firmware?
Errors begin to appear in the Android operating system.
Some applications stop opening.
Many programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services where users 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 an SD card into your phone to write the firmware to it.
Find out the exact model of your smartphone.
Fully charge your device's battery.
Find and download the archive with Firmware.
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 consent to future manipulations, as well as consent to granting the application Superuser rights. 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, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.
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.
When the file is loaded, you need to 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Copy the required files to the memory card. Using a PC or laptop card reader.
Insert a memory card into your phone.
To reboot in recovery, it is convenient 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. We open the menu, select the 'Reboot' item, and then tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
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.
Everything is ready to 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 storage to which the files were copied.
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 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.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: OS version: Android 4.2; CPU: MediaTek MT6572W; Processor cores number: 2; RAM: 512 Mb; Built-in memory: 4 GB; Video processor: Mali-400 MP; Memory card slot: yes, volume of up to 16 GB; Multi SIM mode: alternate; SIM-card amount: 2; Case type: classic; Height: 144 mm; Width: 74 mm; Thickness: 9 mm; Weight: 185 grams; Diagonal: 5"; Screen type: colored IPS, sensor; Sensor screen type: multitouch, capacitive; Screen size: 854x480; Number of pixels per inch (PPI): 294; Aspect Ratio: 16:9; Rear camera: 5 MP; Front camera: 2 megapixels; Video Recording: yes; Standard: GSM 900/1800/1900, 3G; Interfaces: Wi-Fi 802.11n, Bluetooth 2.0, USB; Satellite navigation: GPS; Audio: MP3, FM-radio; Headphone ...
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