The following lines were added (+) and removed (-):
===factory reset======cellular unblock===This is the mod to restore full 800MHz reception.BC890XLT-800MHZ FULL RESTORE#REMOVE ALL CABINET SCREWS.#REMOVE 4 FACE PLATE SCREWS AND 1 BRACKET SCREW AT CENTER OF MAIN BOARD.#CAREFULLY DEPRESS THE OUTSIDE EDGES OF FACEPLATE SHIELD AND TILT DOWN.#UNPLUG J4 AND J5 AND RIBBON CONNECTORS J501 J502 AND J503.#REMOVE FACEPLATE AND LOGIC BOARD.#POSITION BOARD SO MICROPROSSOE CHIP IS ON LEFT AND MEMORY BATTERY ON RIGHT.#LOCATE THE 3 CHIP RESISTORS AT CHIPS UPPER RIGHT..MARKED 104 AND CAREFULLY DESOLDER.#INSTALL THE CHIP RESISTOR AT THE 2 EMPTY PADS CLOSEST TO MEMORY BATTERY.#REASSEMBLE CAREFULLY IN REVERSE ORDER.#TEST BY ENTERING FREQ. AROUND 870 MHZ.