Quote:
Originally Posted by cruise350
First do this, Download WiMAX RSA Key Checker from the market and see if your RSA keys are in tact. If they are not, and you did not back up wimax.img when you did a nand backup than your 4g is broke and can't be fixed. If they are in tact the next step is to check your phones 4g mac address, do this by turning on 4g and then select menu/settings/about phone/hardware info and check the 4g mac address against the mac address that is printed on the sticker inside your phone under the battery. If they match then 4g can probably be fixed by flashing a new all in one rom like Sprint Lovers or the stock rom. If they don't match then try the instructions found here:
[GUIDE] Bad WiMax MAC? Broken 4G after update? Fix HERE! - xda-developers
Hopefully you can get it fixed with these steps, remember, if your RSA keys and MAC address are in tact then it is probably the rom or radio combo your using. If they aren't then try the MAC fix it posted or if its the RSA hopefully you can restore a nand backup that has your keys in it. If you don't have a nand backup with your RSA keys you phone is permanently broke for 4g and you will have to replace it.
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Thanks for the advice. RSA Key is present.
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When I turn on 4G, it constantly cycles "turning on", and "turning off" so I can never actually check the MAC address since those options remain grayed out.
I just downloaded the latest sprint lovers and am going to flash it and try it out before I even do any backup restores of apps or settings.
I'll let you know what happens.
Thanks again.