Space characters dropped from WiFi SSID names #272

New Issue

2026-10-27T15:47:17+01:00

adam commented

2026-10-27 15:47:17 +01:00

Describe the bug
If you enter in a space character in an access point SSID for WiFi set up, the space character is removed.

Which device are you using
LilyGO T-Deck Plus

Which Firmware are you using
v0.9.12.3 (but I can confirm it behaved the same on v0.9.12.2)
firmware_tdeckplus_v0.9.12.3

To Reproduce
Steps to Reproduce

With the device booted, click on Mgmt
Go to the WiFi settings
Hit the edit button for the "AP SSID" field
put one or more spaces in the name (followed by a non-space character), ex: "Access Point"
confirm the selection by hitting "OK" or the enter key
You are taken back to the WiFi settings screen
Look at the SSID; note that the spaces have been removed.

Expected results:
Space characters should be retained.
(It would be reasonable, although not necessary, to remove trailing spaces).

Additional context
Space characters are legitimate in SSIDs; I've been using them for years.
If you want to go deeper, this old question links to some specs. https://stackoverflow.com/questions/4919889/is-there-a-standard-that-defines-what-is-a-valid-ssid-and-password . It is uglier than I thought. I think just permitting spaces would be good enough.

**Describe the bug** If you enter in a space character in an access point SSID for WiFi set up, the space character is removed. **Which device are you using** LilyGO T-Deck Plus **Which Firmware are you using** v0.9.12.3 (but I can confirm it behaved the same on v0.9.12.2) firmware_tdeckplus_v0.9.12.3 **To Reproduce** Steps to Reproduce - With the device booted, click on Mgmt - Go to the WiFi settings - Hit the edit button for the "AP SSID" field - put one or more spaces in the name (followed by a non-space character), ex: "Access Point" - confirm the selection by hitting "OK" or the enter key - You are taken back to the WiFi settings screen - Look at the SSID; note that the spaces have been removed. Expected results: Space characters should be retained. (It would be reasonable, although not necessary, to remove trailing spaces). **Additional context** Space characters are legitimate in SSIDs; I've been using them for years. If you want to go deeper, this old question links to some specs. https://stackoverflow.com/questions/4919889/is-there-a-standard-that-defines-what-is-a-valid-ssid-and-password . It is uglier than I thought. I think just permitting spaces would be good enough.

adam commented

2026-10-27 15:47:18 +01:00

Oh ok; you are right, but now when you send me the request i will make it possible. Will put this into the next release 👌

Oh ok; you are right, but now when you send me the request i will make it possible. Will put this into the next release 👌

adam commented

2026-10-27 15:47:18 +01:00

Thank you!

Thank you!

adam commented

2026-10-27 15:47:19 +01:00

(It would be reasonable, although not necessary, to remove trailing spaces).

Actually not, since ESSIDs can also contain trailing (and leading) spaces.

Additional context

Space characters are legitimate in SSIDs; I've been using them for years. If you want to go deeper, this old question links to some specs. https://stackoverflow.com/questions/4919889/is-there-a-standard-that-defines-what-is-a-valid-ssid-and-password . It is uglier than I thought. I think just permitting spaces would be good enough.

Thinking further, to allow characters that cannot be entered via the on screen keyboard (I have seen wireless networks with non-ASCII unicode characters in their SSID), an option to display a list of SSIDs detected by listening to the network/ asking the access point(s) can be shown and allowing the user to choose one of those as well, besides manually entering.

*(It would be reasonable, although not necessary, to remove trailing spaces).* Actually not, since ESSIDs can also contain trailing (and leading) spaces. > ***Additional context*** > > *Space characters are legitimate in SSIDs; I've been using them for years. If you want to go deeper, this old question links to some specs. https://stackoverflow.com/questions/4919889/is-there-a-standard-that-defines-what-is-a-valid-ssid-and-password . It is uglier than I thought. I think just permitting spaces would be good enough.* Thinking further, to allow characters that cannot be entered via the on screen keyboard (I have seen wireless networks with non-ASCII unicode characters in their SSID), an option to display a list of SSIDs detected by listening to the network/ asking the access point(s) can be shown and allowing the user to choose one of those as well, besides manually entering.

adam commented

2026-10-27 15:47:19 +01:00

Improved in v0.9.14

spaces and other printable characters in WiFi network names (SSID) are now kept.

## Improved in v0.9.14 spaces and other printable characters in WiFi network names (SSID) are now kept.

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Reference: adam/meshcore#272