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+--- Forum: General topics (/forumdisplay.php?fid=15)
+--- Thread: yealink t21p need help (/showthread.php?tid=14507)
yealink t21p need help - eli1511 - 05-03-2016 03:35 PM
hello
i have 25 phone with firmware: 21.70.18.1
hardware: 17.0.0.36
i try to upgrade to 34.71.0.90 or 34.72.0.20 or 34.71.0.76 but is dont work .
its tell me the opretion is sucess but dont realy upgrade.
do you have any idea how to help me.
tanks you and sorry for the eng.
RE: yealink t21p need help - Karl_Yealink - 05-05-2016 05:53 AM
The 21.70.18.1 version is a special version.
You can't upgrade this version to global version.
RE: yealink t21p need help - eli1511 - 05-05-2016 10:05 PM
(05-05-2016 05:53 AM)Yealink_Karl Wrote: The 21.70.18.1 version is a special version.
You can't upgrade this version to global version.
So what i can do to put vpn fille in thé phones ?
And did you havé à version that i can update.