There used to be two update notifications in settings about available updates on my Teracube Emerald, one for V 1.21 & one for V2.0. I never updated and am still on 1.20. Now there is only one notification for 1.21. Also now, no update notification for V 2.1 has shown up at all yet. I’ve cleared Updater App cache & data a couple of times. Just wondering…
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This is my current version, 1.20-s-20240220382012-stable-emerald on Teracube
but I was just wondering why V2.0 update was available and then disappeared, and now V 2.1 update notification isn’t showing up.
i don’t know why,
but existing both stable and dev for this device, that’s why i asked which one you use …
power + volume up keysvolume up until recovery is selected. Press volume down to accept this choice.
Thanks for the reply and info. 1.20 is working really well for me and I’m hesitant to update, kind of a case of if it isn’t broke dont fix it… I was wondering if the V2.0 upgrade option was pulled for this device because of some problem.
I have a Teracube 2E emerald and just updated to 2.1 from 2.0 with no problems. I wondered perhaps if you updated to 1.21 then maybe the 2.x updates would become visible, but I understand your hesitation. On one of my recent updates I had multiple LTE icons in the status bar but it has since been corrected.
no 2.0 is stil available
try to clean the updater cache and storage in → settings → apps & notifications → see all apps → 3 dots → show system → updater → storage & cache
Yes I did that already. Funny thing is I had update notifications for both 1.21 & V 2.0 sitting simultaneously on my phone for almost a month and then suddenly V 2.0 is gone but 1.21 is still there and clearing cache and data hasn’t changed that.
Vendor Name: Teracube
Device name: Teracube 2e (2021)
Device CodeName: emerald
Version of /e/OS which existed previously: e-1.18-s-20231207360611-stable-emerald
Device is Not rooted - but Bootloader is locked again
In the last few days I have had several V2.1 update failures with different devices. Here, too, I had a bad feeling from the start, which was ultimately confirmed.
OTA updater only shows me version e-1.19.1-s-20240109372023-stable-emerald, but no version V.20, no V1.21.1, no V2.0, no V2.1.
The manual download of V2.1 is slow, even though I have a very fast internet connection.
The following manual update attempt fails with the error messages:
E:footer is wrong
. . .
E:Signatur verification faild
E:error: 21
For safety’s sake, the only thing I can do now is a complete reinstallation 
Thanks for this info. 1.20 is the first time everything has worked right on this device, otg, sms, all my apps (that I care about)…
Installation via /e/asy installer fails with the failure message:
Error downloading - Try again
(By the way: the download is slow despite my very fast internet connection)
The second download attempt was then successful, as was the subsequent installation of /e/OS e-2.1-s-20240603406609-stable-emerald, including locking the bootloader.
I just wanted to add that I’m no expert so I don’t know if indeed the update notifications to the 2.x series will follow if you update to 1.21. I can say that all the OTA updates up to 2.1 I have performed on my Teracube 2e have gone smoothly.
Well, looks like I may have to do update manually. But first I think I’ll wait a little while longer to see if OTA update for V 2.1 shows up. V2.0 was there for a while. My question has been answered in any case. Thanks for your info
