E/os updates on oneplus 7 and 7pro [SOLVED]

[aibd]

As “3.0.4-t-20250710507811-community-guacamole” is actually end of life, with a sensible backup you could consider

@piero

download the file on the phone, go to “→ settings → system updater” and use the feature called “locale update” (if you have it in the “3 dot menu” at top right of the screen).

Where you choose the most recent available a14 which is e-3.6-a14-20260317594699-community-guacamole.zip

In the system updater please check Update recovery is also selected.