Enable 3G Permanently

[fijiman]

I found this browsing online looking for this particular tweak.There are alot of different ways to do it... I just copied this method for those who want to have a go. I noticed my spare phone which is on the same network as my iPhone4 keeps hold of its 3G signal far longer than the iPhone,


1) Install "iFile" from Cydia ((Or use whatever file browsing software you like ))
2) If your on older firmware(3.1.3 or older) browse to /var/preferences...For newer firmware 4.0> browse to /var/wireless/Library/Preferences
3) Select csidata, and choose "text viewer" in ifile or view as a text file
4) Scroll to the bottom of the file and find GsmRegistrationModel::fRatSelection=0x1
5) Select "Edit"
6) Change:
FROM: GsmRegistrationModel::fRatSelection=0x1
TO: GsmRegistrationModel::fRatSelection=0x2
(FYI: 0x0(GSM/EDGE ONLY), 0x1(GSM/EDGE + 3G), 0x2(3G ONLY))
7) Reboot the phone.
You're done.

To return it to GSM+3G (normal.) Simply go in to iPhone Settings>General>Network. Select "Enable 3G" to "OFF" (wait a few seconds) then turn it back ON. This will reset "GsmRegistrationModel::fRatSelection=0x1" (normal again.)

Note, if you don't see the line "GsmRegistrationModel::fRatSelection=0x1" in the csidata file. Do the Settings>General>Network and toggle "enable 3G" off and back on. This will print the line to the settings file for you to go back and edit.

Remember there is always a pay off.... you may suffer from battery issues ...myself I'm not particularly worried as my phone is usually charging in the car or hooked up to my laptop. Signal is king with me

[goldwinguk]

how did you get on with this. I had lots of problems with my 3GS dropping calls when indoors and was advised to switch 3G OFF as the iphones switching between 3G and 2G signals is pants and causes the dropouts (never an issue with my old N73) its just a pain to remember to switch it back on when your out and about and want to get onto skys footie scores when being draged round the shops by she who must be obeyed

[fijiman]

Still holding back judgement on this tweak.....I do seem to be holding onto 3G signal longer....but the quality of the 3G signal can be poor in places but on the whole its ok so far

[goldwinguk]

thanks for the update, try and keep us posted be interesting to see how you get on. Have to say since i jailbroke mine its behaved much better, though sending pic messages is still hit and miss