1. AC Question's Avatar
    I recently switched from T-mobile to cricket and I keep having issues with not receiving calls. I keep getting an error message ER05 saying invalid SIM. Any suggestions? Thank you in advance for your time.
    05-25-2016 01:40 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! You might need a new SIM. See here: https://support.t-mobile.com/thread/15174?tstart=0
    05-25-2016 03:18 PM

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