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Old 04-19-2007, 06:03 PM   #1 (permalink)
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Default Crazy firmware question for 7200 series

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Hi there.

I have in my possession a BB 7280, which is a GSM 850/1800/1900 phone, however my local network is 900/1800/1900. Therefore the network coverage is patchy as some towers here are 900 only.

The question I have is, is the frequency BB's operate on hardware specific or are they relative to the firmware? I'm wondering if I loaded the firmware of a 7230 on this if that would allow it to operate on the 900 frequency. OR if theres a way to enter an engineering mode on the phone to change the frequency?

Tried looking on the forum but it appears no one has been stupid enough to ask this question till now.
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Old 04-19-2007, 06:12 PM   #2 (permalink)
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It's not a stupid question...

The GSM bands are in the hardware. There is no way to add the 900 MHz band (or replace the 850) on the 7280. The 7280 is not good for use outside of the US.

No way to add 900 MHz. Sorry...
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Old 04-19-2007, 06:15 PM   #3 (permalink)
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No way is it "stupid"

you searched found no answer and asked. It is a good question and valid. not to many people give much thought to such things. Unfortunately their is nothing you can do as it is a hardware limitation
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Old 04-19-2007, 06:27 PM   #4 (permalink)
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Bummer. Worth a try though. Cheers for your feedback guys. I've found the phone works in built up areas where we have 3G coverage, but outside the city coverage is patchy.
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