Upgrade Huawei E303 Firmware to 21.157.31.00.850

[nnm]

Huawei has launched E303 modem in various countries, some are directly unlockable using the unbranded Huawei mobile partner like you can see in this article (Hutch E303 modem unlock solution). I mean to say that Huawei has launched E303 modem somewhere with un-customized firmware and on some places with customized firmware.

How to change the firmware of Huawei E303 customized modem?

1. Download all the software and firmware from the link which is provided at the end of the article.
2. Now run Universal Master code software, go to Huawei tab and generate flash code according to the IMEI for your modem.
3. Now run the download firmware file of Huawei E303 modem and when it asks for password then provide the flash code (which you generated earlier).
4. Now wait for Finish.
5. Now, close the software, dashboard or connection manager, if it opens automatically.
6. Run the CardLock_Unlock tool.
7. Now put your 8-digit unlock code into the unlock code box and click on OK.
8. Now you will get a message “Unlock Success”.

Note : Don’t enter any wrong unlock codes into your Huawei E303 modem, it has a new security. Comment below to get the unlock code.
Download Huawei E303 Firmware Upgrade
(Firmware Version 21.157.31.00.850)
Download Universal Master Code Tool
Card Lock Unlock Tool (Password of zip file : modemunlocksolution.blogspot.com)
Note : Huawei Hilink modem firmware starts from 22, don’t try the above-mentioned firmware in normal Huawei dongle.

[bekeanloinse]

Ensure you have these tools downloaded before proceeding. The download links might be provided at the end of an article or from trusted sources.

subway surfers

[Hask96]

Huawei has launched E303 modem in various countries, some are directly unlockable using the unbranded Huawei mobile partner like you can see in this article (Hutch E303 modem unlock solution). I mean to say that Huawei has launched E303 modem somewhere with un-customized firmware and on some places with customized firmware.

How to change the firmware of Huawei E303 customized modem?
1. Download all the software and firmware from the link which is provided at the end of the article.
2. Now run Universal Master code software, go to Huawei tab and generate flash code according to the IMEI for your modem.
3. Now run the download firmware file of Huawei E303 modem and when it asks for password then provide the flash code (which you generated earlier).
4. Now wait for Finish.
5. Now, close the software, dashboard or connection manager, if it opens automatically.
6. Run the CardLock_Unlock tool.
7. Now put your 8-digit unlock code into the unlock code box and click on OK.
8. Now you will get a message “Unlock Success”.
Note : Don’t enter any wrong unlock codes into your Huawei E303 modem, it has a new security. Comment below to get the unlock code.
Download Huawei E303 Firmware Upgrade
(Firmware Version 21.157.31.00.850)
Download Universal Master Code Tool
Card Lock Unlock Tool (Password of zip file : modemunlocksolution.blogspot.com)
Note : Huawei Hilink modem firmware starts from 22, don’t try the above-mentioned firmware in normal Huawei dongle.
This device is too old.
Update the latest version of Block Blast.

[lyly19]

The guide provides a step-by-step method for unlocking the Huawei E303 modem, highlighting the importance of using the correct firmware and unlock codes to ensure a successful process while avoiding potential security issues.

Retro Bowl

[amorapotter]

I have hauwei 3g dongle e3121 can u pl. Tell me how can I unlock sprunki retake

[trafficrally]

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traffic rally features vibrant graphics and realistic sound, providing an enjoyable gaming experience for users.

[mirushka]

Players can participate in tournaments because I honestly hate this love bombing then ghosting game, it's so immature! And no guy should be doing that in a relationship.

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Once I had this dream about losing phone (Huawei, I think), not iPhone, and the dream scared the hell out of me! Anyway, the features vibrant graphics and realistic sound, providing an enjoyable gaming experience for users.

I had this dream last night. Yep, so scary!!

[chang]

Huawei's launch of the E303 modem in different regions with varying software versions is quite interesting! If you enjoy classic-style football games, check out Retro Bowl for some nostalgic fun.

[jeffreestar]

I’ve got a customized E303 from Hutch, and it’s awesome to know I can switch it to unbranded PolyTrack firmware with these tools.