i had same problem, 1 Z1010 dont work on BG Globul and work only on BG MTEL, and 1 Z1010 dont work at all in Bulgaria, in some cities were have 1800 mhz network - phone work, but on this band network here is weak and dont work good
unlocking 1800 mhz and flashing with R1K010 not help
i hope that will be some resolution of this problem in the future |