Grin Wireless Help Desk

There's no additional charge to use the Call Waiting feature, however you will be charged standard rates for both calls while you are connected to both ...

Caller ID shows you the phone number of most incoming calls. If you don’t want to answer your wireless phone and you have Voicemail, you can let the incomin...

Enter *67 Phone Number you are calling and press  . Your number will show up as "anonymous" on the receiver’s Caller ID

Direct dialing of 411 (Directory Assistance) is $3.00 per call plus your standard rate per minute if you have H2O® Pay As You Go plan. If you have H2O Month...

You will need to ensure the new phone is an AT&T and FCC approved GSM 850/900/1900, dual, tri, or quad-band, unlocked GSM Phone that can be used for act...

As the steps may vary depending on your phone model, please refer to your phone user manual for details.  Find the contact in your Phone Book by selecting ...

Please note: Effective Friday, August 5, 2011 new customers activated under H2O Wireless network will be required to enter a password to retrieve voicemail...

Dial your wireless phone number. Press 1 if calling from your wireless phone. Enter your pass code. The system will automatically play the new voice...

Call your H2O® Wireless phone number from another phone. When you hear the greeting press the * key. Enter your pass code. The system will automatica...

Contact Customer at 1-800-643-4926 and provide your mobile number and IMEI, which will be required for the voicemail to be reset. Once reset, all previously...