iMobile App – Get Rs 25 Cashback on Rs 100 Prepaid Mobile Recharge. iMobile App by ICICI Bank has come up with awesome deal where you will get the Rs 25 Cashback on Prepaid Mobile Recharge of Rs 100 or above. This Offer is valid from May 08, 2017 to May 31, 2017 only. Valid for 1 Time per user. So Hurry up and avail this offer Now !