The most common and most likely answer to this crossword clue is the 9 letter word UNPLUGGED
I've seen this crossword clue in The Daily Telegraph
U
N
P
L
U
G
G
E
D
Buddy explains!
The straight part
We know that "Disconnected/without any electronic devices" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case disconnected/without any electronic devices = unplugged.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UNPLUGGED mean?
UNPLUGGED verb- To disconnect from a supply, especially an electrical socket.
- To stop using electronic devices, especially for relaxation or to reduce stress.
- To remove a blockage from (especially a water pipe or drain).
- Not plugged in.
- Using acoustic instruments, especially instead of electric ones.
- Without a plug or bung (of a vessel containing liquid)
- Presented in a more low-key and intimate context than usual.