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Cisco SPA5252 IMAGE CRC Error

When I try to update my Cisco SPA525G2 (currently on 7.5.5) to 7.5.6 I get the following error:

IMAGE CRC Error

I also tried upgrading by using the following url:
192.168.0.101/admin/upgrade?http://<ip>/cisco/firmware.bin

where the firmware file originally was named:
spa525g-7-5-6.bin

Another issue that is ocurring somtimes is after populating the attendant console, the phone performs a factory reset.

We are using the SPA525G2 as a stand-alone SIP phone, I tried to manage it using CCA, but I am unable to authenticate for whatever reason (cisco cisco, admin admin and other variations did not work)

How can I force an firmware upgrade, or is there something else wrong?

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VIP Gold

Wrong forum. It has nothing

Wrong forum. It has nothing to do with XML Phone Applications. Please delete it here and recreate in more appropriate forum: SPA IP Phones

In the meantime - download the file from http://<ip>/cisco/firmware.bin by self. Compare the file downloaded with original spa525g-7-5-6.bin. Are the same ? Check MD5 of the file - it should be

MD5 (spa525g-7-5-6.bin) = 860a2bdac1a9e6129e0612718069dfd5

What's current firmware of the phone in question ?

Note - as long as you consider to manage phone using CCA you can't manage it locally at the same time. So you can't login to management UI.

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