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CalyxOS for Pixel 4a Sunfish

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TheSayaMan

Senior Member
Sep 12, 2016
242
117
CalyxOS for Pixel 4a Sunfish

Downloading the Flasher​

  • Linux: xxxxxx
  • macOS: xxxxxx
  • Windows: xxxxx
SHA256:
  • Linux: f4e68992198868148ca2d4bd0fd40d0176da4058a188a3fdf80732d04a6c3543
  • macOS: 5e5542f51c1592e392114636f2e64fe9dae1cacaaf55c722822780ec5cbf9331
  • Windows: 0cdaf47f1c97e43c70e0fe7cfff63fcaa140799ccc494bebf6451e96cbcdda6c

Steps​

  1. Download CalyxOS image for your pixel 4a here: xxxxxxxxxxx
  2. Download the flasher for the Operating System you’re using from the links above
    1. For Windows, you also need to download and install “Googles USB driver ZIP file” from xxxxxx
    2. For installation instructions, see xxxxxxxxxxx
  3. Place the flasher as well as the CalyxOS image into the same folder. Do not extract or rename the zip, simply copy it as-is.
  4. Double-click the flasher to run it, and follow the steps shown on your screen.
    If that doesn’t work, then you can:
  5. Open a Terminal or Command Prompt in that directory, and then
  6. Run the flasher using:
    • Linux: chmod +x ./device-flasher.linux; ./device-flasher.linux
    • macOS: chmod +x ./device-flasher.darwin; ./device-flasher.darwin
    • Windows: .\device-flasher.exe

Notes​

  • On some Linux distros, you may have to use sudo, i.e. sudo ./device-flasher.linux
  • On macOS, you may have to disable gatekeeper. See xxxxxx
  • On Windows, your anti-virus may falsely flag this as infected. This is because the program is written in the Go programming language, see xxxxx for more information.

This is the updated August 2021 security patch

CalyxOS does not include gapps and can not be flashed on this rom.

MicroG is included and can be enabled or disabled based on user preference.

Aurora Store replaces Google Play Store. Most Google Play Store apps supported. Google play store paid apps are NOT supported.

MicroG replaces Google Play Services.

Google Fi does work but must login to Google account.

Signature spoofing support.

MOD EDIT: Links removed
 
Last edited by a moderator:

adavid

Member
Aug 15, 2008
31
0
I tried to install with no success, unlocked phone but doesn't allow my to flash new OS on it, I tries CalyxOS & GrapheneOS the same way and I tried run xxxxx (MOD EDIT: Link removed) on their site but PC doesn't alow me to run it.
 
Last edited by a moderator:

WaxysDargle

Senior Member
Jul 17, 2012
842
394
I tried to install with no success, unlocked phone but doesn't allow my to flash new OS on it, I tries CalyxOS & GrapheneOS the same way and I tried run xxxxxx (MOD EDIT: Link removed) on their site but PC doesn't alow me to run it.
It is either your browser, antivirus or firewall that are blocking this installation.

First, try a different browser.

Then turn off/make an exception in your antivirus.

If that doesn't work, check firewall to see if it's being blocked.

In my case, it was the browser and the firewall blocking the download/app.
 
Last edited by a moderator:

WaxysDargle

Senior Member
Jul 17, 2012
842
394
For anyone wondering... this ROM is amazing. Runs smooth/fast. No bugs that I've experienced. Battery life is good. Not a ton of features, so if that's what you're after you should probably look at Resurrection or something like that.

To anyone security/privacy-conscious looking for a good mix of security and convenience, I think this ROM hits a sweet spot.

I've tried Graphene OS and the Lineage OS with microg patch. Both were great ROMs, but Graphene is way too locked down for my purposes and lineage is a bit too insecure for my nerves.

Try it out! And while you're at it, give the Calyx Institute a look. They have a membership program that has several benefits, including an LTE hotspot with unlimited data.
 

sinkoo1979

Senior Member
For anyone wondering... this ROM is amazing. Runs smooth/fast. No bugs that I've experienced. Battery life is good. Not a ton of features, so if that's what you're after you should probably look at Resurrection or something like that.

To anyone security/privacy-conscious looking for a good mix of security and convenience, I think this ROM hits a sweet spot.

I've tried Graphene OS and the Lineage OS with microg patch. Both were great ROMs, but Graphene is way too locked down for my purposes and lineage is a bit too insecure for my nerves.

Try it out! And while you're at it, give the Calyx Institute a look. They have a membership program that has several benefits, including an LTE hotspot with unlimited data.

did you lock your bootloader?
 

abramsgunner

Member
Jul 12, 2014
13
6
I installed CalyxOS on my 4a yesterday afternoon and all I can say is "Two thumbs up".

Only issue I have had so far is Signal telling me it can't find google services and the pop-up about establishing a connection (I don't remember the exact wording). I reinstalled Signal and haven't had the pop-up in awhile. Not a deal breaker by any means. I think I have this fixed now.

I'm on Visible Mobile and have had no issues with data, SMS, or calls.

I haven't flashed a phone in 7 or 8 years... The CalyxOS install was simple as pie.
 
Last edited:

sruel3216

Senior Member
Nov 9, 2010
1,775
394
CalyxOS for Pixel 4a Sunfish

xxxxxxxxxx (MOD EDIT: Link removed)

Simple install. Extract link to your ADB tools folder. Double click on flash-all and let the flashing do the work on it's own.

This is the updated February 2021 security patch

CalyxOS does not include gapps and can not be flashed on this rom.

MicroG is included and can be enabled or disabled based on user preference.

Aurora Store replaces Google Play Store. Most Google Play Store apps supported. Paid apps NOT supported.

MicroG replaces Google Play Services.

Google Fi does work but must login to Google account.

Signature spoofing support.

Paid apps dont work as in apps like Spotify and Strava?
 
Last edited by a moderator:

TheSayaMan

Senior Member
Sep 12, 2016
242
117
OP updated with March security update. If you are already on January or February's of this ROM, and don't want to wipe your device, you can edit the flash-all.bat file with notepad and remove the -w before the update zip.
 
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  • 6
    CalyxOS for Pixel 4a Sunfish

    Downloading the Flasher​

    • Linux: xxxxxx
    • macOS: xxxxxx
    • Windows: xxxxx
    SHA256:
    • Linux: f4e68992198868148ca2d4bd0fd40d0176da4058a188a3fdf80732d04a6c3543
    • macOS: 5e5542f51c1592e392114636f2e64fe9dae1cacaaf55c722822780ec5cbf9331
    • Windows: 0cdaf47f1c97e43c70e0fe7cfff63fcaa140799ccc494bebf6451e96cbcdda6c

    Steps​

    1. Download CalyxOS image for your pixel 4a here: xxxxxxxxxxx
    2. Download the flasher for the Operating System you’re using from the links above
      1. For Windows, you also need to download and install “Googles USB driver ZIP file” from xxxxxx
      2. For installation instructions, see xxxxxxxxxxx
    3. Place the flasher as well as the CalyxOS image into the same folder. Do not extract or rename the zip, simply copy it as-is.
    4. Double-click the flasher to run it, and follow the steps shown on your screen.
      If that doesn’t work, then you can:
    5. Open a Terminal or Command Prompt in that directory, and then
    6. Run the flasher using:
      • Linux: chmod +x ./device-flasher.linux; ./device-flasher.linux
      • macOS: chmod +x ./device-flasher.darwin; ./device-flasher.darwin
      • Windows: .\device-flasher.exe

    Notes​

    • On some Linux distros, you may have to use sudo, i.e. sudo ./device-flasher.linux
    • On macOS, you may have to disable gatekeeper. See xxxxxx
    • On Windows, your anti-virus may falsely flag this as infected. This is because the program is written in the Go programming language, see xxxxx for more information.

    This is the updated August 2021 security patch

    CalyxOS does not include gapps and can not be flashed on this rom.

    MicroG is included and can be enabled or disabled based on user preference.

    Aurora Store replaces Google Play Store. Most Google Play Store apps supported. Google play store paid apps are NOT supported.

    MicroG replaces Google Play Services.

    Google Fi does work but must login to Google account.

    Signature spoofing support.

    MOD EDIT: Links removed
    3
    April update is up.

    If you have issues when flashing, replace the flash-all.bat file with this one below.

    MOD EDIT: Link removed
    The funniest part of using a degoogled phone is getting the flash bat file from a Google drive.
    2
    OP updated with August security patch
    2
    Updated to June 2021 security patch with flashing instructions
    1
    Calyx doesn't support root

    Actually that is incorrect. You can use the boot.img inside the image zip and patch it with magisk and root it.