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Yealink T42S and T42G Phone stuck at Welcome
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Pierre06 Offline
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Post: #1
Yealink T42S and T42G Phone stuck at Welcome
Good Morning and Happy new Year !

I've seen there is a similar topic, and decided to make a new one, because i posted from month but get no answer.

In my company we have some 5000 Yealink Phones (T42G, T42S, T49, T19,...), most of the phones are T42S and T42G.
And a non neglectable number of T42S and T42G sometimes remains stuck at Welcome screen.

I've tried to restore factory settings, but not worked, phones still stucked.
What is the procedure to recover the use of these phones ?

I hope i'll get some tips to solve that.
Thanks by advance,

Pierre
01-03-2022 05:00 PM
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Yisroel_MongoTEL Offline
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Post: #2
RE: Yealink T42S and T42G Phone stuck at Welcome
(01-03-2022 05:00 PM)Pierre06 Wrote:  Good Morning and Happy new Year !

I've seen there is a similar topic, and decided to make a new one, because i posted from month but get no answer.

In my company we have some 5000 Yealink Phones (T42G, T42S, T49, T19,...), most of the phones are T42S and T42G.
And a non neglectable number of T42S and T42G sometimes remains stuck at Welcome screen.

I've tried to restore factory settings, but not worked, phones still stucked.
What is the procedure to recover the use of these phones ?

I hope i'll get some tips to solve that.
Thanks by advance,

Pierre

The TFTP recovery procedure is quite straight forward, Google "Yealink TFTP recovery" and check the guide from 888voip (can't post a link, cuz the forum's spam detection might block me.)
01-04-2022 01:21 PM
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Pierre06 Offline
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Post: #3
RE: Yealink T42S and T42G Phone stuck at Welcome
Hello,

Thanks for your answer.
I ve tried with 2 TFTP sofware and get same issue.

After getting the good .rom from Yealink page, we have to rename it in :
T42.rom for T42G
or
T42S.rom for T42S

After with the 2 TFTP software i get the same messages :
'T42S.rom' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
TFTP:3: File too large
'T42S.bin' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
>> 1: File not found (<- i don t have a .bin file so ...)
'T42S.rfs' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
>> 1: File not found (<- i don t have a .bin file so ...)

I ve tried with 2 other T42G with the good firmware, and get the same issue.

Is there a way to get the other files (.bin, .rfs) from the official site ?
(This post was last modified: 01-06-2022 11:17 PM by Pierre06.)
01-06-2022 10:54 PM
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Yisroel_MongoTEL Offline
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Post: #4
RE: Yealink T42S and T42G Phone stuck at Welcome
(01-06-2022 10:54 PM)Pierre06 Wrote:  Hello,

Thanks for your answer.
I ve tried with 2 TFTP sofware and get same issue.

After getting the good .rom from Yealink page, we have to rename it in :
T42.rom for T42G
or
T42S.rom for T42S

After with the 2 TFTP software i get the same messages :
'T42S.rom' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
TFTP:3: File too large
'T42S.bin' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
>> 1: File not found (<- i don t have a .bin file so ...)
'T42S.rfs' of type 'octet' is requested from xxx.xxx.xxx.xxx (<- Phone ip address i have setup)
>> 1: File not found (<- i don t have a .bin file so ...)

I ve tried with 2 other T42G with the good firmware, and get the same issue.

Is there a way to get the other files (.bin, .rfs) from the official site ?

For the T42S.bin File not found and T42S.rfs File not found, I'd bet that in the TFTP root location there is no such files. Perheps you only have there the T42G.rfs and T42G.bin (G not S, that this phone is.)

You can hey the typical recovery files for all the models in the aforementioned guide from 888voip.
01-07-2022 02:13 AM
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Pierre06 Offline
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Posts: 7
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Post: #5
RE: Yealink T42S and T42G Phone stuck at Welcome
Hello,

Is there a way to obtain these files from official sources/site ?

Thanks,
01-10-2022 04:38 PM
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Pierre06 Offline
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Posts: 7
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Post: #6
RE: Yealink T42S and T42G Phone stuck at Welcome
Ok i found files on official Yealink site.

For those who searching for :
- make an account on Yealink site
- take the firmware from the support
- on the support page (where you get the firmware), there is a button "Ticket" at the up of the page)
- Select "hardware defects"
- fill the fields
- when u put the MAC adress and select
Fault : Boot Failure
Fault Phenomenon : Stuck...

There is a link under "Test result" that permit to get the recovery files and a pdf with instructions.

So, it s sure you ll get official firmware and files from Yealink.

I hope this will help.

Have a nice day,
01-10-2022 08:42 PM
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Yisroel_MongoTEL Offline
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Posts: 225
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Post: #7
RE: Yealink T42S and T42G Phone stuck at Welcome
WOW, nice piece of info!

Did you get your phones recovered?
01-10-2022 11:27 PM
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Pierre06 Offline
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Post: #8
Smile RE: Yealink T42S and T42G Phone stuck at Welcome
Yes, it worked fine Smile
I've tried some T42G and T42S with respective good files, and i ve recovered the phones !

Thanks again for your answers, it give me some clues to the procedure and official files to search, and PumpKIN is good and easy TFTP server !
01-10-2022 11:36 PM
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