Reminder! Before servicing the phone, please make sure that:
- You use the latest version of Sigma software
- Battery charged more than 50%
- All the side programs, that may interfere with the phone, are closed
- Phone’s cable and device itself should not be disconnected or disturbed until the procedure is fully completed
- Connect phone to USB port placed on the backside of PC (motherboard's USB port)
Do not connect or disconnect other USB cables into the PC during the actual work with the phone - Avoid using any kind of USB HUBs and long USB cables. Use the shortest-length USB cable available.
- Phone has stock (factory) firmware version
- SIM card is removed
Qualcomm: Huawei Android Smartphones
Manufacture Mode
Enable Manufacture Mode
- Open the hidden device menu: dial "*#*#2846579#*#*"
- Select "Project Menu" -> "Background Settings" -> "USB Ports Settings" -> "Manufacture Mode"
Unlock
- Internet connection has to be enabled, proxy disabled. Root is not required
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- "Phone model" dropdown box has to be set to "Autodetect"
- Go to "Unlock" tab
- Connect your device to PC with USB cable
- Install required Huawei smartphone driver (only if the phone is connected for the first time)
- Select "DBAdapter Reserved Interface" port
- Press "Direct Unlock" button
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- Go to "Service" tab
- Turn the phone OFF
- Set the phone to FastBoot mode:
- press and hold “VOL-“ button and connect the phone to PC, using USB cable (or use any other method)
- Select “Android ADB interface” port
- Press “Remove FRP” button
- The message "Removing FRP lock...Done" indicates that procedure has been completed successfully
- Disconnect the device
Warning: This feature will erase all phone’s data and accounts
If after FRP removal user data was not wiped automatically, perform this procedure manually in the recovery mode.
- Testpoints gallery: boot-loader.com -> Downloads -> Sigma Free Section -> Testpoints
- Drivers for device Qualcomm HS-USB QDLoader 9008
Procedure:
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- Go to "Service" tab
- Select virtual port “Plug the USB cable into the powered off phone…”
- Select from drop-down list the required Huawei phone model
- Press "Remove FRP" button
- Connect the phone to PC in the factory mode using testpoint. The phone has to be visible as Qualcomm HS-USB QDLoader 9008 in the system.
- The message "Removing FRP… Done" indicates that procedure has been completed successfully
- Disconnect the handset from PC
Enable Manufacture Mode
- Open the hidden device menu: dial "*#*#2846579#*#*"
- Select "Project Menu" -> "Background Settings" -> "USB Ports Settings" -> "Manufacture Mode"
Repair IMEI
- Internet connection has to be enabled, proxy disabled. Root is not required
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- "Phone model" dropdown box has to be set to "Autodetect"
- Go to "IMEI" tab
- Connect your device to PC with USB cable
- Install required Huawei smartphone driver (only if the phone is connected for the first time)
- Select "DBAdapter Reserved Interface" port
- Enter IMEI number in the "Phone IMEI" field
- Press "Repair IMEI" button
- The message "Done" indicates that the procedure has been completed successfully
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- "Phone model" dropdown box has to be set to "Autodetect"
- Go to "Service" tab
- Set the phone to manufacture mode
- Connect your device to PC with USB cable
- Install required drivers
- Select DBAdapter Reserved Interface in the ports selection tab
- Press "Get Huawei bootloader password" button
- Password which was read will be shown in the log window
Enable Manufacture Mode
- Open the hidden device menu: dial "*#*#2846579#*#*"
- Select "Project Menu" -> "Background Settings" -> "USB Ports Settings" -> "Manufacture Mode"
Procedure
- Internet connection has to be enabled, proxy disabled. Root is not required
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- "Phone model" dropdown box has to be set to "Autodetect"
- Go to "Service" tab
- Power the phone ON and connect it to PC with USB cable
- Install required Huawei smartphone driver (only if the phone is connected for the first time)
- Select "DBAdapter Reserved Interface" port
- Press "FRP remove / Huawei ID" button
Enable Manufacture Mode
- Open hidden device menu: dial "*#*#2846579#*#*"
- Select "Project Menu" -> "Background Settings" -> "USB Ports Settings" -> "Manufacture Mode"
Procedure
- Internet connection has to be enabled, proxy disabled. Root is not required
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- "Phone model" dropdown box has to be set to "Autodetect"
- Go to "IMEI" tab and tick “Huawei”
- Connect your device to PC with USB cable
- Install required Huawei smartphone driver (only if the phone is connected for the first time)
- Select "DBAdapter Reserved Interface" port
- Enter Wi-Fi, Bluetooth or Serial number in the required fields
- Press "Repair" button
- Message "Done" indicates that the procedure has been completed successfully
Flash
This feature is intended to be used for phones that won’t turn on, freeze on logo, etc., but still can enter fastboot mode. It's not intended for regular reflashing.
Procedure:
- Connect the phone in fastboot mode (vol- power ON) to PC
- Select corresponding update.app firmware file and revive the device with Sigma
- When the phone starts up normally, reflash it in UPGRADE mode using the corresponding to it flash file
Benefits:
- SD-card should be removed from the phone
- Press vol+vol- and connect USB cable to enter the Upgrade mode
- Open Qualcomm tab and go to Flash bookmark
- Select PCUI or DBA adapter port (different phone models show different ports) in the port selection tab
- Select required update.app flash file and press “write flash”
Important: all partitions of the firmware will be written to the phone in Upgrade mode.
New smartphone models have two flash files: main flash file and localization file. These two files should be flashed together.
This feature can be used to adjust phone settings correctly after the device has been flashed with another service provider firmware version. This feature can be found in Qualcomm tab - IMEI Bookmark.
- Tick “+Huawei”
- Fill in the fields "Vendor" and "Country" with the correct data
- Press "Repair" button
IMPORTANT: Reflash the phone after changing provider settings!
- Power the phone ON
- Set the phone to manufacture mode
- Open HiSilicon tab and go to Flash bookmark
- Select "Android Adapter PCUI" port
- Press “ENABLE DOWNGRADE” button
- You need to reflash the phone after using this feature
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 upgrade mode: vol+vol- and connect 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 connect USB cable).
Repair bricked Qcom-based Huawei device using board software
Use this guide only for cases, when phone is bricked and doesn’t show any devices while connected to PC, or shows Qualcomm HS-USB QDLoader 9008.
In some cases Testpoint has to be used to force the device to this mode.
Important notes:
- Drivers for device
- Factory flash files: boot-loader.com -> Downloads -> Sigma -> Huawei -> Factory Flash files
Procedure:
- Repair bricked device using board software file taken from boot-loader.com:
- Select "Qualcomm" platform from the tab menu in the upper left side of the software
- Go to "Flash" tab
- "Phone model" dropdown box has to be set to "Huawei Android (Diag.)"
- Select “Plug the USB cable into the powered off phone…” in the ports selection tab
- Select Board Software file (*.skf format) taken from boot-loader flash file area
- After choosing the file you may manually select partitions to write
Warning: when selecting all partitions (including factory calibrations areas) keep in mind, that after flashing these areas, phone’s network and other functions may become unavailable!
- After choosing the file you may manually select partitions to write
- Press “Write firmware” button
- Connect the phone to PC with the USB cable. If you experience any difficulties while connecting, reinsert the battery and repeat the operation
- Wait for the operation to finish
- Reflash the phone using original update.app file in FASTBOOT mode (press vol- and insert USB cable)
- Repair Vendor/Country, IMEI and other numbers
- Reflash the phone now in UPGRADE MODE using original update.app file (press vol+vol- and insert USB cable)
For more detailed information check our video manual.
Unlock (ADB Mode)
- Remove SIM card and then power the phone ON.
- Enable USB debugging on your device:
- Android 2.0-2.3.x: Settings > Applications > Development > USB Debugging
- Android 3.0- 4.1.x: Settings > Developer Options > USB Debugging.
- Android 4.2.x and higher: Settings > About Phone > Build number > Tap on "Build number" 7 times to enable developer options. Then Go to Settings>Developer Options>USB Debugging.
- Android 5.0: the same as Android 4.2.x.
- Install ADB drivers (only if the phone is connected for the first time).
- You may use this ADB driver installer if you don't have ADB driver for your phone.
- Root the smartphone, as it has to be rooted in order to be unlocked! Here are some of the solutions for rooting:
- Using Sigma software (Adb mode -> Root)
- Vroot
- Kingo root
- Restart the smartphone after rooting has been completed.
It's mandatory to root device before unlock!
- Turn the rooted phone ON and wait until it fully starts up
- Connect the phone to PC using USB cable
- Select "Android ADB" platform from the tab menu in the upper left side of the software
- "Phone model" drop-down box has to be set to "Auto-detect"
- Go to "Unlock" tab
- Select "Adb interface" in the ports selection tab
- Press "Unlock" button
- The message "Unlock done… OK" indicates that procedure was completed successfully
- Disconnect the handset
- Phone is unlocked
It is mandatory to root the device before unlock procedure!
Unlock operation goes in two stages: unlock and then re-flash (if the device remains locked only!)
- Unlock:
- Turn the rooted tablet ON and wait until it completely boots up
- Connect the device to PC using USB cable
- Select "Android ADB" platform from the tab menu in the upper left side of the software
- "Phone model" drop-down box has to be set to "Auto-detect"
- Switch to "Unlock" tab
- Select "Adb interface" in the ports selection tab
- Press "Unlock" button
- The message "Unlock done… OK" indicates that procedure was completed successfully
- Disconnect the tablet from PC
- If device remains locked, please re-flash the original firmware
- Write flash:
Please use the same or higher version of firmware!
- Copy "dload" folder to SD card root directory
- Make sure that the tablet is powered off
- Insert SD card into the tablet
- Press and hold the volume+ key and Power key simultaneously for 2 seconds to boot
- After upgrade is over, remove SD card or press POWER key until tablet restarts
After flashing the tablet is supposed to be unlocked
If you have SP-locked phone, which you tried to unlock with codes, but multiple times you've entered an incorrect code, you see a new request on your phone screen: Unlock SIM BLOCK". In order to bypass this code you need to Reset Wrong Code Counter. For this purpose, please, perform “Direct unlock” or “IMEI Repair” procedure.
Work with Bootloader (ADB Mode)
It's mandatory to root device before unlock!
Unlocking of bootloader:
- Select "Android ADB" platform from the tab menu in the upper left side of the software
- Go to "Qualcomm" tab
- Power the phone ON and wait until it starts completely
- Make sure that USB debugging is enabled on your device
- Connect your device to PC with USB cable
- Install required Huawei ADB driver (only if the phone is connected for the first time)
- Select ADB Android Interface in the ports selection tab
- Press "Unlock Huawei bootloader" button
- The message "Done" indicates that procedure was completed successfully
- Disconnect the handset, remove and insert the battery
It's mandatory to root device before unlock!
Getting the password:
- Select "Android ADB" platform from the tab menu in the upper left side of the software
- Go to "Qualcomm" tab
- Power the phone ON and wait until it starts completely
- Make sure that USB debugging is enabled on your device
- Connect your device to PC with USB cable
- Install required Huawei ADB driver (only if the phone is connected for the first time)
- Select ADB Android Interface in the ports selection tab
- Press "Get Huawei bootloader password" button
- Read password will be shown in the log window
Also you can get bootloader password at the official Huawei website here and here.
Video Instructions
- Repair IMEI for Huawei QCOM models with Sigmakey
- Root Android smartphones with Sigma
- Unlock Huawei Y530 with Sigmakey
- Unlock Huawei U9201L / U9202L / U9501L with Sigma
- Unlock Huawei Y301-A2 Vitria / G740-L00 / Orange Yumo with Sigma
- Unlock Huawei U8686 via ADB mode (no need to unlock bootloader)
- Unlock Mediapad S7-303u with Sigmakey
- Unlock Huawei Y336-A1 with Sigmakey
- Unlock Huawei Ascend Y550 with Sigmakey
- FRP reset for new Huawei Qcom and HiSilicon smartphones
- Huawei Y560 remove FRP
- IMEI repair for Huawei Nova done with Sigmakey
- Huawei ENJOY 7 PLUS IMEI repair done with Sigma
- REPAIR feature for bricked Qualcomm Huawei smartphones using board software files
- Repair IMEI, FRP remove and other features for Huawei DIG-L21