Minecraft pocket edition not working correctly?

For some reason while I was in the middle of playing minecraft pocket edition on my iPad it stopped letting me mine rock type ore like stone, coal, steel, gold, dimmond, ect, ( i mean it will let me mine them but i don't get any item or material from mining them) but it will let me get material from sediment, sand, dirt, trees and everything else. Is this happening to anyone else, or does anyone know why this is happening? Please! I have been working on this castle kingdom for the past week that I was planning on sharing with everyone, but I can't build or do anything. I need your help!

Additional information:
iPad 5.1.1 firmware
Most up to date minecraft pocket edition
Jailbroken device
Performed the duplicate glitch

P.S. I downloaded the same app onto my iPhone and it does the same thing, so I don't think the jailbreak or any of that have anything to do with it. I think it might be a server problem, but I don't know.

What is the best plan for the iPhone 4S?

I have never owned a smart phone before, nor have I ever used one. But my phone is available for an update (on Verizon), and I found out you have to have a Data plan for it. The plans are:

-$30 a month for 2GB
-$50 a month for 5GB
-$80 a month for 10GB

Now I'm a YouTuber, so I plan on using the internet a little bit, and apps a lot. Including Siri. But I don't know how fast that stuff builds up, so I'm trying to figure out the best plan for me. I want more memory, but the plans are so expensive, it's ridiculous. So I figured I would ask someone who knows more about this stuff than me. So if you know, or have a recommendation, then please let me know. Thank you!

Also, how much do apps, Siri, and itunes take up? Because those will be my mainly used things. Mainly Siri, and apps.

Added (1). ALSO! Please TELL ME IF SIRI IS PART OF THE DATA USAGE! I'LL USE THAT AND APPS MOSTLY PROBABLY!

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all together, with all my apps and music and photos, it says I use about 5.3 GB. But that I only have 948 MB available?

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Some of the pictures I take myself too will show the location in my album.
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