IPhone receives MMS picture messages, but won't send?

Sorry for the length of this question. I have an unlocked iPhone 4 that was previously on tmobile, but I recently switched over to straight talk. I switched my phone to straight talk using the sim swap method, at first I couldn't get it, but I figured out how to after a while. After I got the data and mms working I sent a picture to two of my friends and they went through. Now, I can't send any picture messages at all unless I'm using iMessage. I can receive them, I just can't send them. I'm pretty sure that it doesn't have anything to do with my transfer to straight talk because I was having this problem when I was with tmobile before I switched over. Does anyone know how I can fix this, it's really annoying. I saw something on a website that said turn data roaming on, I tried that and it still did it. I also saw something about resetting the network settings, I'm cautious about doing that because I'm afraid it will delete my straight talk APN settings and I will have to go through the headache of doing all that over again. I've also tried toggling airplane mode, mms messaging, and iMessage on and off and still I can't send them. Like I said I don't think it had anything to do with my transition to straight talk because I was experiencing it with tmobile as well. If anyone knows how to fix this please help me.

Do binaural beats/isochronic tones work?

Hi i've been looking into these and it intrigued me so i'm asking you guys. I know the difference and people say isochronic tones work better but can i have your guys input on this? I know you need headphones for these so my questions are…

1. Do binaural beats work?
2. Do isochronic tones work?
3. Which is better?
4. Do mp3 versions degrade the quality?
5. Can i use Skullcandy earbuds?
6. Can I use Turtle Beach PX21 wired headset?
7. Can i use apple iphone 5 earpods?
8. Can you tell me your experiences (not lucid dreams or astrol body things) but like sounds for anxiety or add?

How to turn my jailbroken iPhone back on?

I searched this alot but none of the situations are the same as mine. My phone blacked out even though it was on 85% but it as still recieving calls & playing music. I let it go dead & tried to turn it on while it was charging but it buzzed twice & thats it. I tried restoring it but i can't since i had a password on it and the screen is completely black. I tried putting it in recovery mode but like i said, the screen is black. Not even the logo is coming on.

How to delete All photos from camera roll?

I have looked around the internet and am just getting more and more frustrated with trying to delete all photos. For some reason i don't have a DCIM folder or even the apple iPhone option in my computer so that idea is a no go. I tried syncing with a blank folder to no work. I want a way to delete All photos from the camera roll. I have iPhone 4 and the most recent OS. I use windows 7.

Added (1). I would rather not lose everything else

How do all these jobless people afford their expensive things

Okay, we're military and just moved I a new area. (St. Louis)
Now, no offense to black people at all, but it seems to be majority blacks…
How are they affording their college education with no job?
Their Land Rover with the sound system and 18" rims
The expensive designer clothes (and saggy pants men)
Their expensive shoes
Their iPhone/smartphone… IPad, tablets, etc.
Their expensive purses and accessories
Getting their nails/hair "did"

I mean all of this stuff… It isn't just a few people, it's like 50% of the people here?
I'm not used to this at all and I'm just curious as to how people are affording all of this!
We work so hard (my husband and I) and we can just barely afford our (mediocre vehicle payments, cell phone bills, and other bills)
When they admit to having no jobs and all that, how are they even affording toothpaste!
I know there are food stamps, but come on that can't get them approved for car loans and other things without a job.

Oh and one more thing… What the hell is "finna"?
It sounds terrible!

I can't turn on the Wi-Fi on my Iphone 4S? - 1

I recently updated my Iphone and since then my Wi-Fi wouldnt work. The option to turn it on and off is whitened and it won't let me do anything to turn it on. Same goes for bluetooth

Left side of iPhone4 screen not working?

Today, the screen on my iPhone randomly stopped working just on the left side. I can't access any of the apps on the far left column. Using my phone to text has become especially tedious… Anyway, I can't figure out what happened to the phone for the life of me. When I woke up this morning, the whole screen worked fine. An hour later, it had stopped working. I didn't drop it or get it wet or really do anything to it in that time span. So far, I've tried resetting it, turning it off and on again, and completely restoring it. Nothing worked. I really don't want to have to replace my phone. Any suggestions as to what I should do next?