Flash firmware on ViewSonic ViewPhone A8
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How to flash ViewSonic ViewPhone A8 ?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications stop opening.
Many programs from the Play Market do not work.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the phone manufacturer's website.
On 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 an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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.
Going to 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 a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.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. Select the file downloaded in the previous step.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Write the firmware 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 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. You will delete all user data from the phone, this will avoid software errors and other problems.
You can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied. 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 phone's memory will begin, this is 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: Operating system: Google Android 4.3; Chipset: Qualcomm Snapdragon 200 MSM8612; CPU: 1.2 GHz; GPU: -; Sensors: -; Messaging: Yes; Browser: Yes; Radio: Yes; GPS: Assisted GPS, QuickGPS, Geotagging; Java: -; Colors: Black; More Feature: -; Display size: 5 inches, 720 x 1280 pixels (293.7ppi); Display type: -; Multitouch: - -; Protection: - -; Memory card: MicroSD; Memory internal: 16 GB, 1 GB RAM; GPRS: Yes; EDGE: Yes; Bluetooth: v4.0; USB: USB 2.0 client, 480Mbit/s; WLAN: 802.11b, 802.11g, 802.11n; Speed: -; NFC: No; Infra red: No; Rear camera: 8 MP; Front camera: No; Camera flash: LED flash; Camera video: Yes; Camera feature: 1x optical zoom; Sound: Vibration; ...
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