OnePlus 13 (dodge) for eOS-a15 3.1.4
e-3.1.4-a15-20250921-UNOFFICIAL-dodge.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OnePlus/OnePlus%2013/e-3.1.4-a15-20250921-UNOFFICIAL-dodge.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/rom-16-unofficial-beta-evolution-x-11-2.4760259/
Use it at your own risk!
Please support the developer(s)!
When running
adb sideload e-3.1.4-a15-20250921-UNOFFICIAL-dodge.zip
i get
This package will downgrade your system
Install anyway?
And when pressing yes i get
Error applying update: 51 (ErrorCode::kPayloadTimestampError)
ERROR: recovery: Error in /sideload/package.zip (status 51)
do you know how to fix this?
(for steps i took. i flashed
boot.img
dtbo.img
vbmeta.img
vendor_boot.img
recovery.img
from https://xdaforums.com/t/rom-16-unofficial-beta-evolution-x-11-2.4760259/ and then booted into recovery and tried sideloading the unoffical build)
I assume you are already on A16? This is a A15 build
if i remember correctly i had firmware version 15.0.0.860 so that means android 15 right
Which ROM did you had initially?
I had the original stock one plus oxygenOS. Then tested stuff like camera calling SMS and updated to the latest update. Afterwards i tried the above steps to flash e/OS, that is:
Unlock bootloader
Boot into fastboot
fastboot flash boot boot.ima
fastboot flash dtbo dtbo.img
fastboot flash vbmeta vbmeta.img
fastboot flash vendor_boot vendor_boot.img
fastboot flash recovery recovery.img
Where the above files came from the evolution link you provided.
Then i tried:
adb sideload e-3.1.4-a15-20250921-UNOFFICIAL-dodge.zip
Which gave:
This package will downgrade your system
Install anyway?
And when pressing yes i get:
Error applying update: 51 (ErrorCode::kPayloadTimestampError)
ERROR: recovery: Error in /sideload/package.zip (status 51)
A little sidenote for other people bricking their phone. As long as you didnt touch abl.img you will be fine i think. This is the bootloader making it possible to be able to reach fastboot. As long as abl.img is intact i believe you can always go to fastboot with holding volume down and power for about 15 seconds.
Since my abl.img was still original i used the following to unbrick my phone:
I cant post links but it was an xda forum titled
by member koaaN
I tested with EU .860 firmware version and followed the .bat script provided in the forum and in the end chose to format the data.
You might test newest build:
Hey this latest build works fine and flashed onto my op13 global edition no prob. I was on an android 16 rom before and flashing from it to this worked fine. It looks like you built this rom off of the sun os kernel and lineage device tree etc? I tried building e/os for this device before I saw your post and struggled but was able to get lineage to build so I am curious what steps you took to make this work. The devs working on lineage for this device have made a lot of fixes recently and I would love to build a fresh version of e/os that incorporate the recent fixes for this device. I would love to know what steps you took to make this build and if you had to tweak anything specifically for e/os. Anyway thank you for your efforts building this as a lot of the devs out there don’t seem interested in privacy so I appreciate it.
Update for /e/OS-a15 3.2
This device is now officially supported by LineageOS:
This build works great, I would say everything works just like in lineage.
Any new updates on this ROM?
Does this ROM auto update when new build is available?
Ive been reading and some roms are not compatible with esim, is this rom compatible?
No, my unofficial builds do not have OTA
@Manoj : Would be great if your team can add this device on the community builds, also other newer OnePlus devices including the OnePlus Tabs 2 & 3
It comes with A16. Will have to wait for the completion of development on A16, we will be adding a few more devices.
Thats great news! Any time lines for this 
Will share the ETA once I get it from the team.
Update for /e/OS-a15 3.3:
I was able to install the latest just fine, I can confirm esim does not work on this build. Im gonna have to install another rom because my provider has only esim. I will be coming back once that is added. Great work.