[Samsung Epic 4G Touch] sasokutenshin:
Title is pretty self explantory. Can't send or receive MMS with stock app. It just gets stuck at sending when I try to send, and fails to download when I receive one. I know this has been asked a million times, as I've already scoured xda, google, and anything else I could think of. I've also tried various fixes. So what I'm going to attempt to do here is list my info, as well as the fixes I've tried, and hope that someone more knowledgeable will be able to see what I'm missing or have other ideas to try. Because frankly, I'm tapped. I know this is long and very detailed and boring to read, but I implore you to stay with me, and if you think might be able to help, read the entire post. These are a lot of the questions/info I've been asked by other people who've tried to help.

Phone: Samsung Epic 4G Touch (obviously)

Carrier: Sprint

Android Version: 4.2.2

ROM: Sniper's BAKED BlackBean 8.0 (03/25/13 build)

Let me say that I've been running Sniper's BlackBean since January, updating each time he releases a new build. When I first flashed to it, I had no problems with MMS. And the MMS problems did NOT coincide with flashing anything new, ROM or otherwise. I don't believe it's a ROM-related issue, as lots of other guys in the ROM thread have tried to help me with troubleshooting/fixes and MMS seems to be working for everyone else, just like it was for me until it suddenly stopped working about 3 weeks ago. Since then, here are some things I've tried to fix it.

-Sending an MMS to myself

-Unchecking "auto-retrieve" in the stock messaging app's settings

-Unchecking "delete old messages" in the stock messaging app's settings

-Wiping cache & Dalvik cache

-Dirty flashing the ROM again, with & without wiping caches

-Wiping data, cache, and Dalvik cache and reflashing the ROM

-Going into system/app folder and replacing current Mms.apk with another trusted working Mms.apk, fixing permissions and rebooting.

-APN backup and restore. Downloading a verified working APNs-conf.xml. Pushing the APN Backup & Restore app to system, disabling ICS check, backing up current APNs, deleting current APNs, restoring the verified working xml, and rebooting. Lots of people swear by this fix. Didn't work for me.

-PC Odin all the way back to stock rooted GB27 w/ full wipe, using Mobile Odin to flash a safe AGAT recovery. Then flashing the ROM and gapps, essentially giving myself (theoretically) a COMPLETELY clean start. Sidenote: MMS works fine on TouchWiz, stock and custom TW ROMs.

-While on stock rooted GB27, updating PRL and Profile before flashing back to BlackBean

-Flashing to a custom TouchWiz based ROM where MMS works, then flashing back to BlackBean.

-Downloading GoSMS and going into its MMS settings to customize the MMSC, MMS Proxy & Port. MMS works fine with GoSMS. I can send and receive with no problems. This leads me to believe my APNs are fine, otherwise I wouldn't think GoSMS would work sending/receiving MMS.

Opening "Phone Info" and selecting different things for 'Preferred Network Type'. I almost thought this had fixed it this morning, by switching to CDMA auto (PRL). Suddenly I was able to send and receive MMS with the stock app. I tested for 30 minutes and everything worked fine. Then I rebooted my phone and it stopped working again. I tried repeating the same steps, but couldn't get it to work anymore.

I think that's everything. I'm at my wit's end here. Any help would be greatly appreciated. If needed, I can provide screenshots of settings, APNs, or anything that would helpful in diagnosing this and hopefully getting it working.