100% Double Data Offer - Double MTN data via IMEI Tweak

No dulling guys, you can double the data bundle you want to buy with the IMEI below. What I am saying is that if you buy 1.5GB for 1k, you will get additional 1.5GB free, which makes the total of 3GB if you buy 3.5GB for 2k, you will get additional 3.5GB, which makes the total of 7GB if you buy 10GB to 10GB extra 5k will get, which makes the total of 20GB etc., it is known as a bonus given 100%

All you need is to tweak your Android imei with any of the analyzed imei below,
356602075753098 
356602075753080 
356602075753072 
356602075753056 
356602075753023 
356602075753031 
356602075753049 
356602075753015 
356602075753114 
356602075753106 
356602075753155 
356602075753197 
356602075753189 
356602075753171 
356602075753148 
356602075753122 
356602075753130 
356602075753163
Once you succeeded in tweaking, wait to receive a 100% bonus message for 6 months, just as it shown in the screenshot below;

 Change the last 3 or 4 digits, if the imei listed above did not give you positive response. 

After that, migrate to beta talk by dialing *123*2*6# or text BT to 131.
Now, subscribe to any MTN data of your choice with *131*1# and you will be giving double of the data you bought.
Use *559*2# or 2 to 131 to check your data balance.

With this, you should have double of your data purchase valid for 30days. 
Note that the double data offer will be for duration of 6Months, 
October 2016 IMEI Numbers Updates
100% Double Data IMEI
3545540711*****
3566020757*****3516640856*****
Use IMEI analyzer to tweak the remaining five digits. Remember, no migration of any kind and you will get the message immediately.

You don't even need to migrate to BetaTalk anymore, you can use any of your initial Tariff plan. After succeeding in IMEI tweaking, just go ahead and subscribe to any MTN data of your choice with *131*1# and you will be giving double of the data you bought.
How To Check Data Balance
Check your data balance by dial *131*4#

Don't forget to drop your testimony, if the method work for you and remember to use the share buttons for the benefit of others.