Firmware/V7/Downgrade Description

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PLEASE NOTE:  If you downgrade the firmware version after '''snom3X0-from6to7-bf.bin''' has been installed, which is shown as '''Firmware-Version: snom3x0-SIP 7.x.y''' on the ''[[Web_Interface|System Information web interface page]]'', only the old boot loader, linux and rootfs flash partitions will be available at the flash.  In this state the phone is not operational as a phone, therefore the application partition has to be put on the flash manually via TFTP Update. Proceed as follows:
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== Downgrade Options ==
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# Downgrading is possible only after updating the firmware to '''snom3X0-from7to6-bf.bin'''. This can be done via HTTP only! After a successful update, the phone’s display will show “TFTP – Update” and a 3 - 2 – 1 countdown; press any key before the countdown reaches “1”.  If you did not press a key in time, do a hard reboot by pulling and reconnecting the power plug and try again. 
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# Follow the instructions in [[Firmware/Update/TFTP Update|TFTP Update]] to update to any v6 application firmware version '''snom3X0-6.x.y-SIP-j.bin'''.
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[[Category:Firmware]][[Category:Firmware V7]]
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The downgrade from V7 to V6 can be performed in two ways:
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# [[#Automatic_Downgrade|Automatic Downgrade]]
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# [[#Manual_Downgrade|Manual Downgrade (ONLY ADVANCED USERS or ADMINISTRATORS)]]
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== Automatic Downgrade ==
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This method automates the downgrade from V7 to V6 FW versions. Use this service as described below.
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=== Setting (provisioning) URL ===
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*Please be aware that the service will '''not''' work if
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''[[Settings/update_policy|update_policy]]'' = ''Never Update, do not load Settings''
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*Use the following URL for downgrading large numbers of phones to V6 FW version:
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<nowiki>http://downloads.snom.com/from7to6/downgrade.php</nowiki>
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*The phones may then be auto provisioned according the required provisioning scheme (e.g. for snom partner):
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{{:Firmware/Update/Setting_of_Setting_Server_URL_Part1}}
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*Open [[Web_Interface/V7/Advanced#Update|Advanced --> Update Tab]]
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*Delete the contents of the field ''[[Settings/setting_server|Setting URL]]'' and enter the value described in [[#Setting_Server_URL|Setting Server URL]].
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*Do not change any other values!
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*Save the new "Setting (provisioning) URL by clicking on the '''Save''' button at the bottom of the page.
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{{:Firmware/Update/Setting_of_Setting_Server_URL_Part2}}
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=== Download our Scripts ===
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If you want to set up similar mechanisms in your own environment, download the PHP scripts performing the above described '''Automatic Downgrade Service''':
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http://downloads.snom.com/mdv7v6-scripts.tgz
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== Manual Downgrade ==
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See [[Firmware/V7/Manual Downgrade|this article]]
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[[Category:V7]][[Category:Downgrade]]

Latest revision as of 16:04, 26 July 2018

Contents

Downgrade Options

The downgrade from V7 to V6 can be performed in two ways:

  1. Automatic Downgrade
  2. Manual Downgrade (ONLY ADVANCED USERS or ADMINISTRATORS)

Automatic Downgrade

This method automates the downgrade from V7 to V6 FW versions. Use this service as described below.

Setting (provisioning) URL

  • Please be aware that the service will not work if
update_policy = Never Update, do not load Settings
  • Use the following URL for downgrading large numbers of phones to V6 FW version:
http://downloads.snom.com/from7to6/downgrade.php
  • The phones may then be auto provisioned according the required provisioning scheme (e.g. for snom partner):

Automatic Configuration of the Setting (provisioning) URL using DHCP (Option 66/67)

  1. Set up the DHCP Server for automatic transmittal of the Setting (provisoning) URL.
  2. Reboot the phone which will automatically begin to do the necessary updates one after the other, until it has updated to all current parts of the firmware.

Manual Configuration of the Setting Server URL

Set the Setting (provisioning) URL via the Web User Interface:

  • Reboot the phone. The automatic process starts and all necessary updates will be consecutively downloaded and installed.

Download our Scripts

If you want to set up similar mechanisms in your own environment, download the PHP scripts performing the above described Automatic Downgrade Service:

http://downloads.snom.com/mdv7v6-scripts.tgz

Manual Downgrade

See this article

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