[Xperia SP Android Development] bagyusz:
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translated by Kizsde :highfive:

I would like to ask everbody not to send me PMs with questions about the installation, that is what the forum is here for. Also everbody should do this at their OWN RISK!

If you already have recovery installed, go to step (3) and continue from there.

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(1): As a first step, we should "root" our stock 4.3, so later on we can install a recovery tool:

- a: Download the towelroot apk and click on the Lambda icon

- b: On the phone, navigate to Settings > Security and check the Unknown Resources checkbox

- c: Copy the tr.apk to your phone's SD card and install it

- d: Estabilish an active internet connection on your phone

- e: Run the towelroot app and once it loaded, tap on the "make it ra1n" button. This should "root" your phone.

**The reason why the word "root" is between quotation marks, is because the towelroot app doesn't actually root your phone, but allows a superuser application to be installed on it. We don't actually need an SU app, but "root" is needed for the installation of the recovery.

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(2): Installing the Recoveries (source: [link])

-a: On the phone, navigate to "Settings > Developer Options" and check the "USB Debugging" checkbox. If you don't have it listed, just tap the "Build Number" within "Settings > About Phone" 4-5 times.

-b: Connect your phone to the PC

-c: Download the recovery pack created by dssmex

-d: Extract the CWM_SP_4.4.1.zip file to your computer and depending on your operating system run the appropriate install***** file (install_mac.sh= MAC OSx; install_linux.sh= Linux; install.bat= Windows) **(On Windows a menu will appear, where you need to choose option "1" and the rest will be done automatically)

-e: If the installation is successful and you see no errors, you can reboot your phone. Otherwise repeat the installation until it is completely error-free

-f: After reboot, the phone indicates with some blinking lights and a slight vibration that you are now able to select from the recoveries (volume rocker down=TWRP recovery; volume rocker up=Philz recovery; camera button=CWM recovery). It is up to you which one you select, as all of them should be able to do the job just fine. Personally I recommend CWM and the guide will follow this method. IMPORTANT: During the recovery selection, the idle time is 2 seconds and if no button is pressed, the phone will boot normally.

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(3): Installation of the CM12.1 rom:

-a: Download the newest rom from here: [link]

-b: Copy the cm-12.1-201*****-UNOFFICIAL-lbhuashan.zip to your phone, preferrably to the external SD card. (This can be performed during recovery too, but copying to the SD card is significantly slower this way, so before you do that please read section (4))

-c: During recovery selection, choose CWM

(Quick CWM navigation guide: With physical buttons: Volume down=move down; Volume up=move up; On/off button=Enter/select menu option; || With swipe gestures: Swipe down: move down; Swipe up=move up; Swipe right=Enter/select menu option; Swipe left=back)

-d: Make a backup of your current system, by going to "backup and restore" and selecting the "backup to /storage/sdcard1" option. This will create a "clockworkmod" folder on your SD card and the dated backups will be stored here.

-e: Now go to "Wipe data/factory reset" and select the "Yes-Wipe All user data" option. This will erase the /Data /Cache partitions and delete the ".android_secure" folder on the SD card. IMPORTANT: This may take several minutes to complete.

It is advised to do the following when performing a clean install:

It may happen that the installer is unable to format the system, so it needs to be perfomed manually by going to "mount and storage" and selecting the "format /system" option.

-f: Navigate to "install zip->choose zip from /storage/sdcard1" then browse to and select the previously copied CM11 rom

-g: The CM12 rom should now be installed. If you don't prefer to install the Gapps pack, then reboot your phone with the "reboot system now" option, otherwise go to step (4)

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(4): Installation of the google apps (Gapps):

-a: Download the newest CM12.1 gapps from this list

-b: Copy it to the external SD card

-c: Go to CWM recovery again (camera button)

-d: Navigate to "install zip->choose zip from /storage/sdcard1" and select the Gapps pack you just copied to the SD card

-e: Once installation is done, reboot the phone

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What works:

USB Charging : Ok

USB ADB : Ok

USB MTP : Ok

Video : Ok

Audio : Ok

Sensors : Ok

Screen rotation : Ok

WLAN :Ok

WLAN Hotspot : Not tested

GPS : Not tested

GSM : Not work

GSM Data : Not work

GSM Voice : Not work

GSM SMS : Not work

Bluetooth : Ok

NFC : Ok

Camera : Ok

FM Radio : Ok

Keyboard : Ok

MHL : Not tested

OTG : Not tested

What doesn't work:

-GSM

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Frequently Asked Questions + Useful info:

- The first boot will always be slow. This is because once you enter your google account details it starts updating the google apps and your personal details, while downloading your own applications as well

- The rom does not include Sony's own services and user interface

- The rom is rooted by default

- You cannot apply any custom kernels as the bootloader is locked

- After first boot, turn off NFC (or at least try to remove the check from the checkbox, it will not be possible due to a bug), then reboot the phone. After this you will be able to turn it on/off as per usual.

- The rom contains CWM and Philz recovery too (camera button=CWM; volume up=Philz)

- Glove mode is turned on by default, but if you would like to turn it off, go to "Settings->Language & Input" and remove the check from the "High Touch Sensitivity" checkbox

- To enable "Developer Tools" & "Performance" menu options, navigate to "Settings->About Phone" and tap "Build number" 4-5 times

- Hijack is a script that enables useres to boot not only stock roms on a locked bootloader, but custom ones too like Cyanogenmod, aopk, pa, pac, slimkat, omni etc...

- It is not possible to update a rom OTA, only from recovery. The method of updating the rom is the same as installing it from step (3), the only difference is that the "-d: wipe data/factory reset" part needs to be skipped

- If you want to play games, it is a good idea to change the "Profile" to "Performance" under the "Performance" menu option for the duration of play

- You can make the Google search bar disappear from the home screen by opening the settings menu of the Trebuchet launcher via long press. Then expand the advanced settings by swiping up the grey bar of Wallpapers Modules Themes. Here look for the Search bar and switch it off.

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ROM: cm-12.1-20160124-UNOFFICIAL-lbhuashan-alpha

GAPPS: CM12.1 gapps

Changes:

cm-12.1-20160124-UNOFFICIAL-lbhuashan-alpha

-first build

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Source codes:

CyanogenMod

Device tree:

android_device_sony_lbhuashan

android_device_sony_lbqcom-common

android_device_sony_lbcommon

android_vendor_lbsony

hijack-ramdisk-huashan

Kernel Source:

android_kernel_sony_lbmsm8960t

Screenshots:

Credits:

-Cyanogenmod

-dh.harald

XDA:DevDB Information

XperiaSP Locked Bootloader (LBL) Cyanogenmod 12.1, ROM for the Sony Xperia SP

Contributors

bagyusz

ROM OS Version: 5.1.x Lollipop

ROM Kernel: Linux 3.4.x

Based On: CyanogenMod

Version Information

Status: Alpha

Created 2016-01-24

Last Updated 2016-01-24