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Then, there is a chance for this error. So, i recommend to activate one of the sim for which you want to recharge and deactivate the other sim card. Here, FIX ANY USSD SERVICE ERROR OR PROBLEM ON RSIM UNLOCKED IPHONE ON IOS 7/6 - Duration: 5:22. Adi Virmani 31,892 views. 5:22. ... View Video