Flash firmware on Sony Ericsson LT18I-O
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How to flash Sony Ericsson LT18I-O?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some installed applications do not open.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone slows down a lot during operation.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On Internet resources 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 your SD card into your phone. It must have enough memory to fit the firmware.
Find information about your smartphone model.
Fully charge your phone battery.
Download archive with Firmware.
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.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. 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. 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.
Copy the necessary files to the SD memory 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. 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
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. 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 you copied the files.
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.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Aliases: SonyEricsson Xperia Arc S; Type: Mobile; Battery: Li-Po 1500 mAh; CPU: Qualcomm Snapdragon MSM8255T, 1.4GHz, Adreno 205; Smart Phone OS: Android 2.3.4; Dimensions: 125 x 63 x 8.7 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 117 g; Color: Yes; Colors: 16.7M; Other: Capacitive Touchscreen, Multi Touch, Scratch Resistant Glass; Pixel aspect ratio: 1.50; Resolution: 320x569; Display PPI: 233; Screen Size: 4.2; Type: LCD; Audio: Polyphonic, MP3, 3GPP, SMF, WAV, OTA, OGG Vorbis; Camera: 8.1MP, 3264 x 2448; Other: Video Stabilization; Videocapture: YES, FHD@30fps; Videoplayback: MP4, H.263, H.264, WMV, 3GPP; Connectors: MicroU ...
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