In this post, you will find the official link to get the Sony Ericsson Xperia Arc S LT18i Firmware Download from GoogleDrive. The Firmware Package contains FlashTool, Driver, Instruction Manual.

Sony Ericsson Xperia Arc S LT18i Firmware Information
Sony Ericsson Model | Sony Ericsson Xperia Arc S LT18i |
Rom OS Version | Android 2.3.4 (Gingerbread), 4.0.4 (Ice Cream Sandwich), not upgradable to 4.1 (Jelly Bean) |
Tool needed | Xperia Flash Tool |
Chipset | Qualcomm MSM8255T Snapdragon S2 |
File Format | Zip File |
Need For Sony Ericsson Xperia Arc S LT18i Stock ROM
The Sony Ericsson stock ROM will help you to downgrade or upgrade the stock firmware of your device. It will also help you to fix any software related issues below.
- Downgrade or Upgrade Sony Ericsson Xperia Arc S LT18i.
- Unbrick Sony Ericsson Xperia Arc S LT18i.
- Unroot Sony Ericsson Xperia Arc S LT18i.
- Fix Issues on Sony Ericsson Xperia Arc S LT18i.
Sony Ericsson Xperia Arc S LT18i Firmware Download
Filename: Sony_Ericsson_Xperia_Arc_S_LT18i_4.1.B.0.587_1254-8596_Generic_India
How to Flash: Follow Tutorial
File Size: 487 MB
Filename: Sony_Ericsson_Xperia_Arc_S_LT18i_4.1.B.0.587_Customized_India
How to Flash: Follow Tutorial
File Size: 494 MB
How to Flash Firmware
1. Download and Extract Stock Firmware package on the computer.
2. After extracting the package, you will able to get Firmware, FlashTool, and Driver.
3. Install the USB Driver (if in case USB driver is already installed, then SKIP this step).
4. Open FlashTool, and Load the firmware (.ftf) from the firmware folder.
5. Connect your Sony Xperia Device to the computer.
6. Click on the Flash button to begin the Flashing process.
7. Once Flashing process is completed, disconnect the device.
Readme Once:
[*] Caution: Flashing Sony Ericsson Xperia Arc S LT18i firmware to your phone will erase everything in your smartphone, including contents in internal storage. It is always very advisable to backup your contents to an external storage or a PC.
[*] Xperia USB Driver: If you wish to download the original USB Driver for your Sony Xperia device, then head over to the Xperia USB Driver page.
[*] Xperia Firmware: If you wish to download other Xperia stock ROM, then head over to the Xperia Firmware page.