DATAPUISTOKEMISTI

Perhaps you're fairly satisfied with Huawei stock firmware but would like to fix some security problems and remove spyware installed by factory. There's fairly easy way to do this.

Sorry, one more B593u post but felt this is worth documenting. While hacking my way into Huawei B593u I had big problem with Huawei crippled CFE bootloader. It was not talking to me and when I finally did get it to talk to me it was only one way. All I could see was CFE> prompt after smashing ^C but nothing else.

Latest modem.bin firmwares currently available are T-Mobile customized 11.533.03.03.748 (2013-09-30) from SP105 and generic 11.433.61.00.00 (2012-12-04) from Polkomtel SP103. While these are customized for EM920u according to few forum posts I've found they work equally with Huawei USB LTE dongles such as E392 part of same MDM9200 family.

I got few B593u models and it's pretty straight forward Broadcom BCM5358 based router with Linux. As usual GPL sources were never published by Huawei crooks. LTE modem side is simply Qualcomm MDM9200 based Huawei USB dongle connected internally to Broadcom SoC over USB.

Found this document on Huawei webpage you might be interested. It's in Microsoft Word .docx format. http://www.huawei.com/ecommunity/3msimage/download-10060827-10000297-9bca6ae8ffa54796a5245e6650b0e607.bin?type=bbs

Here's location of Huawei B593u TTL serial console. Settings are usual 115200 8N1.

There ain't many pictures showing innards of B593u around and even less ones with any details. This obviously needs to be fixed.