how to band upgrade 1900 to 1800 ? [Archive]

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xdaI99

10-01-2006, 02:21 PM

is it possible to upgrade gsm band from 900-1900 to 900-1800.

will 1800 work after upgrading?

I have att sx56 900/1900 I want to make it workable in 900/1800.

LumpiStefan

10-01-2006, 02:59 PM

It's a hardware limitation...... -> No solution for this problem.....

Stefan