This is the tutorial how to cheat diamonds .
Step 1: Open Minecraft PE
Open Minecraft PE.
Step 2: Create New "Creative" World
Create a "Creative" World . Type any name you want , and create your own seed . (You need to create your own seed to use it again to Survival World)
Step 3: Loading ...
Loading ... (Do not close the app while loading)
Step 4: Add Blocks
Add Blocks like diamonds , golds , irons , and anything you need . But the important blocks is Wood , Stone and Iron to create pickaxe to get Diamonds. Add crafting table to other side to use it in survival world .
Step 5: Quit
Quit world . Now your progress is saved . Now , create a survival world with a seed that you used in creative .
Step 7: Survival Saved .
Now you have survival world .
Step 8: Homescreen , Copy+Paste+Delete=Cheat
Go to File manager . Minecraft Files is located at sdcard0/games/com.mojang/minecraftworlds
Click The folder of creative world . copy the file "chunks.dat"
then , go to the folder of survival world . delete the chunks of survival . and paste the chunks to survival folder .
Step 9: Play
Now play it , and now you have the blocks from creative world .