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Published on May 4, 2009
DO NOT TRY THIS!!! This can actually BRICK YOUR PHONE!!!
This is a demonstration of the widely feared "High Speed Sim". I'm guessing 99% of all Chinese phones are "dead" after activating the high speed sim. Unless you know what you are doing or you are at least capable of flashing your phone with a (new) firmware,
PLEASE STAY OUT OF THE ENGINEER MODE!!!!
Anyway, my ciPhone with the V1.8.1 firmware survived this little experiment :-)