This is how anyone with an android smartphone can activate/redeem free safaricom promotion data.
1. Download AIO (all-in-one) imei generator from This Site. (This is the PC software people use to generate valid imei codes. You need to have a valid sample code to generate other codes with AIO imei generator)
Direct Download Link
2. Generate imei using Aio imei generator
3. Send the generated imei to 440 and wait for a confirmation message (if you don't receive a confirmation sms, go to www.safaricom.com/free to redeem or tweak your phones imei)
REDEEM & ENJOY PROMOTION BEFORE IT EXPIRES.
-Nb aio imei gen requires a sample imei code to generate other valid codes.
If you already know about the tweaking process and only need valid imei codes, just click HERE and download aio imei generator for pc. With it you can generate lots of valid imei codes from a single sample code. All for free. NB. That file is password protected and it will cost you to get the password.
NB. You need to have a valid sample code to generate other codes with AIO imei generator