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USB Upgrade issues
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acwells Offline
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Post: #1
USB Upgrade issues
Hi, I am trying to recover a couple of T58 SIP phones and I have the BIN, RFS, and ROM files on USB. I boot the phone with the USB installed in the back while pressing the speaker button and I get Usb failed (-4)

Is it looking for a specific format of USB stick? I am currently formatted FAT32

Also tried renaming the files T58, T58A, T58V but nothing seems to help.

Any ideas?
07-20-2021 11:14 PM
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,178
Joined: Jan 2014
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Post: #2
RE: USB Upgrade issues
(07-20-2021 11:14 PM)acwells Wrote:  Hi, I am trying to recover a couple of T58 SIP phones and I have the BIN, RFS, and ROM files on USB. I boot the phone with the USB installed in the back while pressing the speaker button and I get Usb failed (-4)

Is it looking for a specific format of USB stick? I am currently formatted FAT32

Also tried renaming the files T58, T58A, T58V but nothing seems to help.

Any ideas?

Hi,

Please try this:
Rename the files to T58.bin, T58.rfs and T58.rom, insert the USB stick in the phone USB port, press and hold the Redial button, connect power and then press 2 when prompted for USB.

Hope this will help.

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
07-21-2021 01:55 AM
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acwells Offline
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Posts: 3
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Post: #3
RE: USB Upgrade issues
(07-21-2021 01:55 AM)complex1 Wrote:  
(07-20-2021 11:14 PM)acwells Wrote:  Hi, I am trying to recover a couple of T58 SIP phones and I have the BIN, RFS, and ROM files on USB. I boot the phone with the USB installed in the back while pressing the speaker button and I get Usb failed (-4)

Is it looking for a specific format of USB stick? I am currently formatted FAT32

Also tried renaming the files T58, T58A, T58V but nothing seems to help.

Any ideas?

Hi,

Please try this:
Rename the files to T58.bin, T58.rfs and T58.rom, insert the USB stick in the phone USB port, press and hold the Redial button, connect power and then press 2 when prompted for USB.

Hope this will help.

Holding the redial button didn't do anything. I renamed the files and tried again with the speaker button. Selected 2 for USB and still got Usb failed (-4)
07-21-2021 03:42 AM
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acwells Offline
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Posts: 3
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Post: #4
RE: USB Upgrade issues
Is there any other considerations like USB format I have to consider?
07-21-2021 10:02 PM
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complex1 Offline
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Posts: 1,178
Joined: Jan 2014
Reputation: 34
Post: #5
RE: USB Upgrade issues
Did you also connect the power, when you press and hold the redial button?

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
07-21-2021 11:14 PM
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Your Voice Offline
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Post: #6
RE: USB Upgrade issues
I'm having the exact same issue with a T58A.

TFTP says the .rom file is too large, so the only option seems to be USB.

Has a resolution been made available?
08-25-2021 10:51 PM
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