GSM-Forum - View Single Post - Sigma v.2.26.11.01. Flash Huawei via Upgrade Mode

GSM_Support · 11-02-2017, 15:11

................................Sigma Software v.2.26.11

............................

...................................1. Released flashing via UPGRADE MODE feature for
.................................Huawei smartphones based on Qcom and Hisilicon:

.............................♦ Press vol+vol- and then connect USB cable to enter the Upgrade mode
....................♦ Possible to use original update.app flash files from open sources, e.g. from here or here
............................Please use this method as a main method to flash Huawei smartphones.

.........................2. Released ENABLE DOWNGRADE feature (in Manufacture mode) for
................................Huawei smartphones based on Qcom/Hisilicon.

.................................................. ...............You may use it:
..................To downgrade phone’s firmware version - for example, downgrade from higher to lower one.
.................................................. ...............How to do this:
.......................................♦ Enable downgrade in Manufacture mode
...........................♦ Reflash the device in using upgrade mode: vol+vol- and insert USB cable

.....................To change phone’s localization (for example, to switch from Operator1 to Operator2).
.................................................. ...............How to do this:
....................................♦ Change provider settings (in manufacture mode)
.......................................♦ Enable downgrade (in manufacture mode)
...........................♦ Flash the phone with the firmware that fits the selected provider settings
......................................(Using upgrade mode: vol+vol-and powerON)

..................................................This solution is included into Pack 3 activation.

.................................................Download Sigma Software v2.26.11.01

11-02-2017, 15:11	#1 (permalink)
GSM_Support Product Supporter Join Date: Feb 2005 Location: GSMserver Team Posts: 36,980 Member: 121052 Status: Offline Sonork: 100.107126 Thanks Meter: 80,766	Sigma v.2.26.11.01. Flash Huawei via Upgrade Mode ................................Sigma Software v.2.26.11 ............................ ...................................1. Released flashing via UPGRADE MODE feature for .................................Huawei smartphones based on Qcom and Hisilicon: .............................♦ Press vol+vol- and then connect USB cable to enter the Upgrade mode ....................♦ Possible to use original update.app flash files from open sources, e.g. from here or here ............................Please use this method as a main method to flash Huawei smartphones. .........................2. Released ENABLE DOWNGRADE feature (in Manufacture mode) for ................................Huawei smartphones based on Qcom/Hisilicon. .................................................. ...............You may use it: ..................To downgrade phone’s firmware version - for example, downgrade from higher to lower one. .................................................. ...............How to do this: .......................................♦ Enable downgrade in Manufacture mode ...........................♦ Reflash the device in using upgrade mode: vol+vol- and insert USB cable .....................To change phone’s localization (for example, to switch from Operator1 to Operator2). .................................................. ...............How to do this: ....................................♦ Change provider settings (in manufacture mode) .......................................♦ Enable downgrade (in manufacture mode) ...........................♦ Flash the phone with the firmware that fits the selected provider settings ......................................(Using upgrade mode: vol+vol-and powerON) ..................................................This solution is included into Pack 3 activation. .................................................Download Sigma Software v2.26.11.01 Last edited by GSM_Support; 11-03-2017 at 15:52.