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Flash firmware on Acer Liquid Metal S120

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How to flash Acer Liquid Metal S120?


Why reinstall the firmware?

Errors in the operation of the Android OS begin to appear.

Some applications stop opening.

Many programs from the Play Market do not work.

The phone turns off for no apparent reason.

The phone is slow.

You want to update your firmware.





Where can I find the firmware?

On the official Internet resource of the phone manufacturer.

On sites where third-party developers post custom operating systems.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert an SD card into your phone to write the firmware to it.

Remember your smartphone model.

Charge your phone fully.

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





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

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.

After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.

TWRP

On the main screen of the application, select '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.

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, press 'OK'.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

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

Insert a SD memory card into the 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. We open the menu, 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 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.

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


TWRP

The file selection screen appears. 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.



TWRP

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.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Type: smartphone; Band: 3G (UMTS), GSM 900, GSM 1800, GSM 1900; Platform: Android; Smart Phone OS: Android 2.2; Processor: Qualcomm MSM7230; Number of processor cores: 1; CPU frequency: 800 MHz; GPU: Adreno 205; RAM: 512 Mb; Internal RAM: 0.5 GB; Memory Card Slot: yes; Memory card support: micro SDHC; The maximum amount of memory card: 32 GB; Year of issue: 2010; Dimensions (WxHxT): 115x63x14x135 mm; Enclosure type: classic; Housing material: metal and plastic; The number of SIM-cards: 1; SIM: Mini-SIM; Navigation key: no; Fingerprint: no; Water resistant: no; Shock-resistant enclosure: no; Color screen: yes; Screen type: TFT; The number of screen colors: 16 777 216; ...

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