[ROM][testing] AICP 15.0 - q10.0 - castor/_windy (Sony Z2 Tablet)

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Thanks Meter: 1,118
By SpiritCroc, Senior Member on 8th February 2020, 10:11 AM
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Android Ice Cold Project

AICP is known by everyone as the "Ice Cold Project" that started on a Desire HD years ago (2012) and since then has evolved into a mature ROM with the BEST community that you can find!!!

Until Android Lollipop, the ROM has always been based on AOKP. Unfortunately, since AOKP stopped development (but made a comeback later), we changed our base to CM.
With the re-brand of CM to LineageOS (LOS) we became LineageOS based with some tweaks from AOSP, for Android Pie we based on the "Ground Zero Open Source Project" (GZOSP), and now for Android 10 we are fully based on AOSP.

#include <std_disclaimer.h>

 * Your warranty is now void.
 * We are not responsible for bricked devices, dead SD cards,
 * thermonuclear war or you getting fired because the alarm app failed. Please
 * do some research if you have any concerns about features included in this ROM
 * before flashing it! YOU are choosing to make these modifications and if
 * you point the finger at us for messing up your device, we will laugh at you. Hard & a lot.

Feature list (rough overview)

In the beginning we would like to thank:

GZOSP team
LineageOS & CM (R.I.P.) team
@Maxwen and the rest of the OmniRom team
DU team
SlimRoms team
Resurrection Remix team

@LorD ClockaN
plus the rest of the crazy bunch that we call "team"

We are paying for servers that build nightlies/weeklies and everything that comes with it, so EVERY DONATION will really be appreciated and be used to cover those expenses.
Thank you!!

Latest Stable Release Version 15.0

Download link:

NOTE: No official builds for now.

Test builds:
Use castor for the LTE variant and castor_windy for the wifi-only variant.
Feedback from castor users, especially concerning mobile data, appreciated since I can only test on castor_windy.

NOTE: Test builds are often those builds that I use personally. They tend to include open patches from our gerrit, and some additional changes including:
- Different bootanimation
- Built-in hosts file to block ads
- Lockscreen rotation enabled

Please note that official builds will be deleted from our servers every month due to maintenance services.
We advise everyone to keep at least the latest or best working build on their device as a backup.
Maybe copy it to a cloud service or USB too.

Full Changelog link:
(Just click the changelog button next to the download link in the list of builds available for your device)

- Unlocking the device does not work directly after boot (just wait around half a minute after bootanimation finished)
- Generating QR Codes for wifi sharing is broken (AOSP bug for devices without biometric sensor)
- FM Radio is somewhat slow
- You tell... :P

Before using the ROM:
Q. Can I have an ETA for the next build?

A. Yes, just look here to see what day your device is built on.


Q. Does this ROM support custom kernels officially?
A. No. You can still use them, but discussion should go in the thread of the respective kernel. We don't offer support for bugs you might encounter while using them!

Q. Why doesn't this ROM support Xposed?
A. Xposed is a hack that is geared towards AOSP. Custom ROMs modify the framework a lot, so Xposed can cause a ton of issues on custom ROMs. Now it might work for you, however it is not to be discussed in this thread, and you should refrain from posting bug reports.

Flashing the ROM:
Q. What do I need to know before flashing?
A. Check the flashing instructions...

Q. Can the builds be dirty flashed over each other?
A. Yes, however make a nandroid backup first as there is a chance of getting a bootloop or encountering bugs. Also bugs may only be reported on a clean flash.

Q. How do I 'dirty flash' builds?
A. Wipe the System, Cache and ART/Dalvik cache. Flash the ROM, GApps (only needed if you wipe the system), your preferred root solution and reboot. Or just use the OTA app to preform that task for you.

Q. How do I flash kernel builds?
A1. If it's a .img file, boot into TWRP and go to the install page in TWRP, in the bottom right corner select "install image", select the desired kernel, then select "boot" as the destination, then swipe to flash, then go back to the install screen and install your root method again, if you don't want to loose root and reboot.
A2. If it's a flashable ZIP, you can flash it together with a ROM update or separately. Go to the install page in TWRP, choose the kernel zip (or add it to the flash queue right after the ROM zip). Then add your root method to the queue if you don't want to loose root. Now swipe to flash and reboot afterwards.

Using the ROM:

Q. I installed a bad theme and now I'm getting a bootloop, how do I fix it?
A. In TWRP, flash the substratum rescue zip that's in the substratum folder on the internal storage.

Q. I'm having issues with WhatsApp, how do I fix it?
A. Read this

Q. Do I need to provide a logcat if I'm reporting a bug?
A. If you want it to be fixed faster (or at all) then yes, you should definitely provide a logcat. (Note: Please just link the logcat from your GDrive, Dropbox, etc. and do not post the content here. Thanks.)

Q. How do I get a logcat, what type should I get and more questions that can conveniently be answered by my pre-determined answer?
A1. Read this thoroughly. Also, here's a good app for getting logs: (Root needed).
A2. If you are already rooted, you can use the built-in feature to make a logcat and provide that. Just look into the others section in the AICP Extras main page.

The ROM should contain everything you need to enjoy Android 10. You don't need to install any Add-ons, simply download the latest ROM and GApps, then follow the flashing instructions and go!
If you want the device to run the ROM "rooted", you can flash a root solution of your choice after the ROM Zipfile.

It is STRONGLY recommended to fully wipe your device before flashing and please avoid restoring system apps and system data with Titanium Backup (or with any backup/restore app) as this can cause stability issues that are very hard to debug, restoring regular apps is fine though.
If you believe you know what you're doing - then fine, go ahead, but please don't complain if you experience any strange behavior.

How to flash for the first time:
(Again: Don't do it if you don't know!)

1. Download the ROM and GApps and transfer them to your device.
2. Boot to recovery (latest TWRP from the CarbonROM thread recommended).
3. Wipe the System, Cache, Data and ART/Dalvik cache.
4. Flash the ROM Zipfile.
5. Flash the GApps (optional, needed for e.g. Google Playstore to work).
6. Flash the root solution of your choice (optional).
7. Reboot your device.
The procedure may vary from device to device and is a bit different on system updates!

The ROM has GApps persistence in between dirty flashes, so you only have to flash them once!

Currently supported Root Solution:

Magisk stable
Magisk versions >= 17.2 don't usually need to be flashed on every dirty flash.
Depending on the device, you may need to flash it every time, unless your maintainer says otherwise, you should be fine.

PREREQUISITE FOR OTA ("Over-The-Air" Updates):
TWRP recovery is needed to be able to flash using the built-in OTA app.
Please make sure that you are on the latest TWRP recovery, keep in mind that this could also be an unofficial version!
On encrypted devices you will have to enter your PIN/password in TWRP before the process starts.

OTA is only supported for official builds, which have not started yet.

If you want to contribute to AICP, or want see what is being worked on/merged, feel free to visit our Gerrit code review system. (Link is at the bottom!!!)

Kernel source:
Device tree source:

ROM & Additional links:
AICP's Homepage
AICP Gerrit Code Review
AICP sources on Github
AICP Download page for official builds and media content
AICP Discord Community
AICP Telegram channel for server notifications on official builds

All the other contributors to sony msm8974 platform

You want to see a "normal" night at the "DEV office", click here!!

XDA:DevDB Information
Android Ice Cold Project (AICP) 15.0 (q10.0) castor/_windy (Sony Z2 Tablet), ROM for the Sony Xperia Z2 Tablet

Source Code:

ROM OS Version: Android 10
ROM Kernel: Linux 3.4.x
ROM Firmware Required: Unlocked bootloader

Version Information
Status: Testing

Created 2020-02-08
Last Updated 2020-02-27
The Following 14 Users Say Thank You to SpiritCroc For This Useful Post: [ View ] Gift SpiritCroc Ad-Free
8th February 2020, 03:52 PM |#2  
Senior Member
Thanks Meter: 54
castor / LTE device:
Thanks a lot for your newest build!

I do not seem to have any issues except the old one that i've had on your aicp 14 about the charging, which i've hoped to get rid of on the newest version:

- even if "wake on plug" is deactivated, the display always turns on when connecting (but it does not turn on when disconnecting)
- when charged between about 89 - 92% the LED begins to blink irregulary, and after a short time the display always turns on, but the LED turns off, and it stops charging, and the display never switches off and i cannot switch it off by the on/off-button, it always tuns on again, as long as the device is connected by usb.
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8th February 2020, 06:00 PM |#3  
Junior Member
Thanks Meter: 2
Thank you so much!
So happy you didn't forget the old Castor for Q
I don't know if I'm allowed to say that or is it important or not and I think it isn't fixable but my problem about WiFi persists in Q.
As I said in P thread I think it's a problem with country code.
Original post is here:

Thank you for your great work In Q rom it is so smooth by the way
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8th February 2020, 06:33 PM |#4  
Junior Member
Thanks Meter: 0
I liked this aicp 15 rom and realized that the battery consumes a little bit fast, not to mention that it would be nice if this rom had a split screen mode in the configuration, just like the huawei tablet, it would be different from the other aicp earlier
10th February 2020, 07:36 PM |#5  
OP Senior Member
Thanks Meter: 1,118
Originally Posted by Maristks

I liked this aicp 15 rom and realized that the battery consumes a little bit fast, not to mention that it would be nice if this rom had a split screen mode in the configuration, just like the huawei tablet, it would be different from the other aicp earlier

There is split screen mode, just press the app icon in recents and select split screen
11th February 2020, 10:28 AM |#6  
Junior Member
Thanks Meter: 1
testing AICP 15.0 Castor Windy
Thanks for this. I've installed this on one of my Z2 tablets to compare. I mainly use it for news, weather and video sources like Netflix. Amazon Prime, Plex etc and Maps. So far it's great, everything is rock solid. I shall use this as a daily driver from now on.
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11th February 2020, 07:13 PM |#7  
Junior Member
Thanks Meter: 2
Thanks for keeping this amazing tablet alive.

I have a problem with the rom in a castor windy. I can't connect to any wifi. It seems working fine, it shows all the networks. But when I type the password and press connect it says "error saving the network" and it does nothing.

Edit: Nevermind, I reflashed the rom and the wifi is working normal now. The rom so far so good, just missing the navigation bar gestures and style change.
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13th February 2020, 06:59 AM |#8  
Junior Member
Thanks Meter: 6
Just flashed yesterday night.
Working fine for the moment, very good work !
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14th February 2020, 12:40 PM |#9  
solved's Avatar
Senior Member
Flag Germany, Berlin
Thanks Meter: 112
using it since a week on my castor ( LTE ) , so far no issues with mobile data or else
using the tablet daily with music apps ( spotify, youtube, amazon ) .. for games like BrownDust and for Streaming ( Crunchyroll / Vodafone and Netflix ) no issues so far
no problems with batterie usage or standby time .. its just perfect

thanks for this rom keep up your work
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19th February 2020, 11:32 AM |#10  
Thanks Meter: 16
Has anyone tried if this ROM works well with NanoDroid or MicroG in general?

19th February 2020, 09:15 PM |#11  
Junior Member
Thanks Meter: 0
I downloaded the ROM yesterday and made a clean installation of it. The constant reboot issue when the screen turns off is still there unfortunately, just like in the Android 9
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