2G solution

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http://forum.xda-developers.com/showthread.php?t=759894

Incubus26Jc's Super FroYo 2.2 [Deodexed] [RLS14] [8/26/10]

this build allows you to enable 2g networks only

i dont know for sure if it is really using 2g network when its checked.
Anyone knows how to find this out?

Originally Posted by kallt_kaffe

The changes I did to our libhtcgeneric-ril.so is pushed to the repo's. Both the Fresh Froyo(Look in the Vogue forums) and my CyanogenMod Eclair port (VaniljEclair RLS11) have the new libhtcgeneric-ril.so and also some added scripts to force 2G on startup (otherwise you would need to disable it everytime you reboot).

I recommend that you start with VaniljEclair RLS11. There are NBH flash images in the first post.

I found this thread while looking into some radio-related hangs on my TP2. I've merged most of your fixes into the Xdandroid tree, and also fixed a number of memory leaks along the way. You might want to look over some of my fixes as well.

http://gitorious.org/~hyc/xdandroid/..._xdandroid-ril

Originally Posted by highlandsun

I found this thread while looking into some radio-related hangs on my TP2. I've merged most of your fixes into the Xdandroid tree, and also fixed a number of memory leaks along the way. You might want to look over some of my fixes as well.

http://gitorious.org/~hyc/xdandroid/..._xdandroid-ril

Thank you. Cross-pollination is a good thing. Kallt_kaffe hasn't been around the Kaiser forums for a while, but there are still a few developers hanging around.

I have learned a thing or two from xdandroid in the past. It has been a while since I looked, though, or tried running it on my Tilt2. I will look at the RIL and see what can be merged back into the version we have been using.

Question: Have any Kaiser/Polaris/Vogue developers been doing RIL work recently, or should I consider DZO's Fresh Froyo / AOSP Gingerbread respository to contain the latest and greatest to be merged xdandroid?

kudos to you n2rjt if you solve this thing for us. I don't have any 3G connectivity over here and would be happy to leach out extra juice from my battery. Fresh Froyo can't retain the Use 2G networks option, mine own is based on the January build of Fresh Froyo.

Originally Posted by n2rjt

Thank you. Cross-pollination is a good thing. Kallt_kaffe hasn't been around the Kaiser forums for a while, but there are still a few developers hanging around.

I have learned a thing or two from xdandroid in the past. It has been a while since I looked, though, or tried running it on my Tilt2. I will look at the RIL and see what can be merged back into the version we have been using.

Question: Have any Kaiser/Polaris/Vogue developers been doing RIL work recently, or should I consider DZO's Fresh Froyo / AOSP Gingerbread respository to contain the latest and greatest to be merged xdandroid?

I have no idea about any other Vogue developers; my impression from looking at their repos is not much has happened.

By the way, working on real CDMA support now. Calls and network location are working, SMS/MMS and signal strength indicators not yet.

http://forum.xda-developers.com/showthread.php?t=1009112

I am sorry to necro this thread.
I see fixes for froyo and eclair,but is there a working fix for CM7?
cause it has same problem.Stupid only use 2g network won't stick after rebooting phone.

n2, why not implement build.prop changes in /system that only allow android to use 2G? I have done quite a bit of research on telephony connectivity in the Infuse 4G forums and I would assume it's the same across all Android platforms.
I would suggest...

ro.ril.hsxpa=1 (1=UMTS/GPRS [2G], 2=HSXPA [3G]) Just remember that the EDGE network is a form of GPRS, therefore it has a specific value for setting 3G services.
ro.ril.gprsclass=6 (or less as 7 and above is specifically 3G). See this for more info.

There are other ril implements to use, but this is a start.
Also, there are APN configurations that restrict data speeds as well.
Is this for a HaReT install, or NAND?