OpenWRT
about a5-v11 / Hame - A1
Model HAME MPR-A1
Firmware Version MultiWeb_310_2015-03-14 ( OpenWRT r43228 ) / LuCI Branch (git-14.343.56284-0fb85fb)
http://www.digitalinferno.com/wiki/Wiki.jsp?page=Mini3G4GUSBRouterOpenWrtExternalUSB
https://wiki.openwrt.org/toh/unbranded/a5-v11
http://ofmodemsandmen.com/build.html
Soft
https://github.com/repetier/Repetier-Firmware
https://github.com/ambrop72/aprinter
Huawei problem
http://ofmodemsandmen.com/downloadsm.html
http://whirlpool.net.au/wiki/router_openwrt