Software version: 21.318.01.00.00
Web UI version: 17.100.14.01.00
Which downgrading firmware should I use to get a firmware without signature checks?
Thanks, I got it to work. I'm running your firmware now, and it seems to work well.
One question though: I am trying to telnet, but when I enter admin / the password that works in the web interface, it says that the login is incorrect. Are the telnet credentials different?
I assume that the firmware will be installed by tech-savvy people who at least read the description, understand all the risks and consequences and are able to modify the firmware in case of any problems or at least to revert back to stock one.
The firmware is created mostly for me and other Huawei router researchers, not for ordinary people.
"Not for resale, faggot" text was added to prevent reselling the device, to make the seller and the buyer feel uncomfortable and embarrassing. I don't want uninformed people to buy the device with this firmware and receive it with disabled security checks and force-disabled firmware updates from the developer.
If I write just "not for resale", that would be 100% ignored, but "faggot" word make people stop, think about it and at least ask additional questions to the seller.
E5770 O2 FW version 21.200.19.01.405 SIM unlock
Huawei E5770 from British O2 network with firmware version 21.200.19.01.405 could be unlocked for free with a special firmware, without disassembling the device.
This firmware is based on 21.200.19.01.405 version and could be installed without flash code.
If you want to install another official firmware or a custom firmware, you need to downgrade 21.200.19.01.405 to a special technological firmware version 188.8.131.52.00, which does not check firmware digital signatures.
To install the firmware, press both RESET button (on the back of the device) and POWER button, connect it to the PC and use balongflash software (Windows, Linux)
More information about Huawei LTE routers (zeronet network): https://zn.amorgan.xyz/1HegcCNqxTuhP...Z9LY34vXD6H1V/
balongflash doesn't seem to work for me either.
A terminal window appears breifly and then disappears.
I have tried running it on Windows 7, and Windows 10 (Parallels Desktop) but to no avail, even after installing the drivers.
This is absolutely frustrating.
Would be grateful for any help. Thanks!
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