How to upgrade my HTC T mobile G1 phone Operating System?

[naswakilies]

I bought new HTC T mobile G1 phone(Model No.:T mobile G, firmware version:1.5,baseband version:62.525.20.18H_2.22.20.23, kernel version:2.6.27-00392-g8312baf,build number:kila-user 1.5 CRB21 147201 ota-rel-keys release-keys, production team: wwwhiapk.com ver 2.2 f). And it happens that am experiencing the following 2 problems:

1. Only 2G is working i.e 3G is not available and
2. Flash lights on the key board are not working i.e I can't use the key board in the dark.

Pls. somebody help!

 

[cwmccarthy]

1. Are you sure 3G is available where you are?
2. Make sure Settings > Wireless Controls > Mobile Networks > Use Only 2G networks is unchecked. However if 3G is not available it will kill your battery.
Not sure about your keyboard problem. Maybe you should return it and get a new one.