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Were I can get proper bin and rfs files for FW 25.50.0.22
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Alex_RC Offline
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Post: #1
Were I can get proper bin and rfs files for FW 25.50.0.22
Hi,
Could you help me to get proper bin and rfs files for FW 25.50.0.22
On official site there is only rom FW files.
Thx.
11-06-2015 02:36 PM
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Karl_Yealink Offline
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Post: #2
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
Hi,

You can download the files from the link:http://ftp.yealink.com/?ShareToken=963EC40C844B0F0A43F09C0DF9338FB570584404
BTW, why do you need the files and where do you know the method?
11-06-2015 03:31 PM
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Alex_RC Offline
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RE: Were I can get proper bin and rfs files for FW 25.50.0.22
I get this method from oficial instuction "Recovery Mode on Yealink IP Phones_V80_60.pdf". This document is in free accsess in internet.
Main purpose is to download from FW 25.73.0.37.

After downgrading FW my device can't obtain IP adress.
But in recovery mode I can ping it by 192.168.0.100 and reinstall FW. Also I can't get to Web UI.

Here is log from Tftpd:
Connection received from 192.168.0.100 on port 1142 [06/11 10:42:37.340]
Read request for file <W5X.bin>. Mode octet [06/11 10:42:37.340]
OACK: <timeout=5,blksize=1468,> [06/11 10:42:37.340]
Using local port 55846 [06/11 10:42:37.341]
<W5X.bin>: sent 1032 blks, 1514044 bytes in 1 s. 0 blk resent [06/11 10:42:38.420]
Connection received from 192.168.0.100 on port 2351 [06/11 10:42:38.549]
Read request for file <W5X.rfs>. Mode octet [06/11 10:42:38.549]
OACK: <timeout=5,blksize=1468,> [06/11 10:42:38.549]
Using local port 63828 [06/11 10:42:38.549]
<W5X.rfs>: sent 5715 blks, 8388608 bytes in 6 s. 0 blk resent [06/11 10:42:44.254]
Connection received from 192.168.0.100 on port 53140 [06/11 10:42:53.750]
Read request for file <W52P.rom>. Mode octet [06/11 10:42:53.751]
Using local port 51798 [06/11 10:42:53.751]
<W52P.rom>: sent 15183 blks, 7773632 bytes in 15 s. 0 blk resent [06/11 10:43:08.710]

Can you advise how I can unbrick my device?
Thx.
11-06-2015 04:37 PM
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Karl_Yealink Offline
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Post: #4
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
Hi,

Do the W52P.rom is 25.50.0.22 ? Why do you want to downgrade the firmware?
Please download the latest firmware from the link: http://support.yealink.com/attachmentDow...3.0.40.zip
And rename the rom file to W52P, please use the latest firmware and recovery mode again.
11-06-2015 05:31 PM
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Alex_RC Offline
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RE: Were I can get proper bin and rfs files for FW 25.50.0.22
>> "Please download the latest firmware from the link: http://support.yealink.com/attachmentDow...3.0.40.zip
And rename the rom file to W52P, please use the latest firmware and recovery mode again."

I have done this way, situation doesn't changed. Device can't obtain ip adress and only power lamp is lighted.
11-06-2015 06:19 PM
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Karl_Yealink Offline
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RE: Were I can get proper bin and rfs files for FW 25.50.0.22
Please try to hard reset the base and test again.
1.Disconnect power from base.
2.Press Paging button on base, at the meantime, connect with power supplier. You​ may find all the light lit one by one
3.Release Paging button, disconnect power, connect power again.
11-07-2015 10:10 AM
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Alex_RC Offline
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Post: #7
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
>>Please try to hard reset the base and test again.
No changes, device can't obtain ip adress and only power lamp is lighted.
11-07-2015 03:37 PM
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Karl_Yealink Offline
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Post: #8
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
Hi,

Where and when do you buy the phone? I think the phone maybe have hardware problem, so please contact with you vender for help.
11-10-2015 01:59 AM
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Alex_RC Offline
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Post: #9
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
Hi,
I have fixed it. Thx
11-18-2015 03:57 PM
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procomm Offline
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Post: #10
RE: Were I can get proper bin and rfs files for FW 25.50.0.22
(11-18-2015 03:57 PM)Alex_RC Wrote:  Hi,
I have fixed it. Thx

Care to share how, to help others with the same issue?
09-29-2021 12:31 AM
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