[Sony Xperia S, Acro S, Ion] Spectre51:
Introducing

STOCK PREROOTED/DEODEXED ion Firmware

[Unlocked and Locked Bootloaders]
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This is a straight stock rom/mod with only ROOT added. No other changes were made. Deodexed versions also available below. I am providing these for those that want the latest firmware and want to keep root. Made possible by dsixda and his Android Kitchen​

Please leave feedback, suggestions or comments.​

Features

Each firmware is based on the stock ftf of the same version number.

Rooted - SuperSU.apk by Chainfire installed

Stock and Deodexed versions available below

Installation for Unlocked Bootloader

Make a backup - Always backup just in case you ****up (Data backed up through Sony's Backup & Restore app can be restored without issue)

Flash any kernel you want to use that has built in recovery.

Enter recovery

Factory reset

Flash rom.

Installation for Locked Bootloader

Make a backup - Always backup just in case you ****up (Data backed up through Sony's Backup & Restore app can be restored without issue)

Use flashtool to flash any generic ftf that can be rooted using Bin4ry's method. If you are already on a LT28 ICS firmware that is rooted you can ignore this step.

Root using Bin4ry's method.

Install CWM for Xperia ion

Enter recovery, factory reset and flash the ROM.

Flash the stock ftf (same version as the rom below) in Flashtool but uncheck Wipe Data, Wipe Cache, Wipe app Log. Also exclude everything except for Kernel. (This is needed to update the Kernel to the latest stock version.)

How to Report Bugs

Answer these questions.

1. Which version of the ROM did you download? Please provide the download link.

2. Are you on a locked or unlocked bootloader?

3. Which kernel are you on?

4. Have you flashed anything else, or is the bug coming from a CLEAN install of this ROM?

5. What are the symptoms of the bug?

6. How can I reproduce the bug?

7. Can you provide a logcat?

8. Have you tried doing a factory reset/wipe?

9. Any other comments that might help me or others to help you.
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Do you want LTE as well with the LT28h system?

If you have an LT28i or LT28at and would like LTE with the LT28h rom then once you have flashed the above go back into Flashtool and flash the latest LT28i or LT28at ftf. UNCHECK Wipe Data, Wipe Cache, Wipe app Log, and exclude everything EXCEPT for baseband. This should put LTE support back on the phone but keep the LT28h system.​

Credits

Sony and others for their tools used in this guide. Please give them thanks for their tools on their respective pages. Thanks to gregbradley and ganeshbiyer for helping me with the Android Kitchen and answering my questions.
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Download

LT28i

Stock-Rooted 6.1.E.3.7

Stock-Rooted-Deodexed 6.1.E.3.7

Stock-Rooted 6.1.E.2.68

Stock-Rooted-Deodexed 6.1.E.2.68

LT28h

Stock-Rooted 6.2.B.0.211

Stock-Rooted-Deodexed 6.2.B.0.211

Stock-Rooted 6.1.E.3.7

Stock-Rooted-Deodexed 6.1.E.3.7

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NOTE:

You will need to reinstall CWM after you flash this rom. It does not have CWM baked in.​

Disclaimer

I am not responsible for turning your device into a paperweight, please do your own research before attempting any mod on your phone. I can not unlock my bootloader so I have not tried it on an unlocked device​