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Root Help! Lost Wimax functionality (EVO 4G)...

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dEVOted2Andrd

Lurker
Ok, admittedly a noob, but I've been trying for weeks to find some concise info about my EVO 4g Wimax issue(s) without much success.

Rooted my EVO about a year ago but never flashed a custom ROM. I basically rooted (via unrevokedforever) solely to gain wireless tether capability. Noticed soon after root that my phone could no longer connect to 4G service (scanning....connecting....scanning, etc). I know many others have had this issue. I've since tried to troubleshoot this issue as best I can. RSA keys are intact according to the Market RSA key checker. Recently flashed CyanogenMod 7.0.3.1, everything works flawlessly except Wimax. Baseband version 2.15.00.11.19, so I don't think its a radio upgrade issue. My WiMax MAC address is intact (verified by taking out the battery, etc.)

Any thoughts (Please!)?
 
actually i moved you to the rooting section. sorry to move you around like that.

have you tried to wipe dalvik cache and cache?

you might want to try and update your radios. if you do just make sure that you have a nandroid backup with your wimax keys backed up somewhere safe like your computer. and also make sure that you have plenty of battery cuz it could take a while to install. and whatever you do do not pull the battery out. let it do its thing.
 
Try the wimax keys checker app in the market (forget the name) or there is the method posted in the rooting guide (it uses the terminal emulator program).

If you have the wimax keys, you are not SOL (maybe you are).
 
Yeah, tried wiping dalvik and cache. Also used the RSA key checker app from the market, and it tells me that my keys are intact. So...I guess I could attempt a radio upgrade, but the radio I'm running (came with Clockwork Mod 7) is pretty up to date. Thats why I was holding off on the radio upgrade.
 
dEVOted2Andrd said:
Yeah, tried wiping dalvik and cache. Also used the RSA key checker app from the market, and it tells me that my keys are intact. So...I guess I could attempt a radio upgrade, but the radio I'm running (came with Clockwork Mod 7) is pretty up to date. Thats why I was holding off on the radio upgrade.
Click to expand...

just an fyi, roms like cm7 do not come with radios. the only one that does is the sprint lover's all in one rom. radios also do not get wiped. the only way to change them is to flash them. try the latest radio combo found in the rom/kernel stickiy. please read this:http://androidforums.com/evo-4g-all...before-you-flash-your-radios-read-thread.html and do not let the warnings scare you. just make sure that you have plenty of battery and that you do not pull the battery out during the process.
 
Are you sure there is 4G coverage in your area? Where are you trying to access it? I live in KC, and we have coverage. If I step outside my office, I get a fantastic, strong signal. 2 feet inside the door of my building, I barely get a 4G signal. Wimax building penetration stinks.
 
I'm in St. Louis, and my office is right downtown so the coverage is there. At your suggestion, stepped outside and walked around for a while....got better signal but still not connecting.
 
Thanks for the info and suggestions. Updated the radio as per your last post. Getting better signal readouts, but phone is still "scanning.....connecting.....scanning". Signal strength readout reads "excellent" while connecting, then suddenly changes to "poor" and phone goes back to scanning again. I even went through the trouble of updating profile and prl. Any concrete way to diagnose this issue?
 
I had similar problem on a rom I flashed (TN Xplod E4G 1.3.5) and I ended up flashing a different kernel and boom 4G worked again. Maybe you could try that.
 
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