Huawei BM622 model is the first 4G WiMAX CPE wireless broadband modem supplied by Huawei Technologies from Shenzhen's for Globe Telecom one of the major wireless broadband ISP in the Philippines.
Recently there were so many complains from the 4G WiMAX wireless broadband subscribers that their CPE modem can't access to the internet. They have noticed upon opening the web GUI of the said 4G WiMAX CPE modem Huawe BM622 on the part of WAN interface its MAC address is missing/blank no wonder their connection interrupted or unsuccessful.
Until now there is still an issue of so called "BLANK WAN" of Huawei BM622 4G WiMAX wireless broadband CPE, to solved this problem and issue one should knows in basic electronics skill. BLANK WAN in other words WAN chips the ST Micro/SGS M25P32 Serial flash Memory IC is corrupted this is due to malicious programming or setting done by user in wrongly manipulations.
These are the things what you need to be able to solved your Huawei BM622 BLANK WAN.
- 50pesos LPT SPI hardware programmer or USB SPI hardware programmer (DIY)
- TV/DVD SPI Flash programmer software (Download)
- ST Micro/SGS M25P32 Serial flash Memory dump binary (ask Google/Forum/Neighbor/Friend)
The procedure to solve the BLANK WAN, first buy or do it yourself LPT SPI hardware programmer. Second is to download TV/DVD SPI flash programmer, third search and download BM622 WAN dump file from Google, forum, or download via TFTP your neighbor/friend BM622 ST Micro/SGS M25P32 Serial flash Memory dump binaries to your local drive.
If you have all these stuff now you can removed your Huawei BM622 WAN chips ST Micro/SGS M25P32 Serial flash Memory IC from its board and start uploading via LPT SPI hardware programmer or USB SPI hardware programmer using the TV/DVD SPI Flash programmer software.
Lastly, of course you have to put back your ST Micro/SGS M25P32 Serial flash Memory IC to its place again. If you are tired of placing it to its original position you can just soldered using 1ft/12 inches tiny wires for simplicity.