Sony Ericsson T61zEnabling GPRS and Switching between GPRS & GSM on a Locked Cingular T61z

Copyright 2002 John Navas, All Rights Reserved.
Permission is granted to copy for private non-commercial use only.

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NOTE: This information is provided as a public service. The author has no connection to Cingular or Ericsson except as a customer. The author is not responsible for any errors or omissions, or for any consequential problems that might result. USE AT YOUR OWN RISK.

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When I started using a new Cingular-locked Sony Ericsson T61z, I noticed that it was using CSD (Circuit Switch Data, much like dial-up) rather than GPRS when I used WAP to access My Wireless Window, even though I had subscribed to Wireless Internet Express (GPRS). I found that I had to do the following to get GPRS working:

  1. Enable GPRS in the menus:
  2. Enable GPRS in the phone:

Note: To switch from GPRS to CSD during Nights and Weekends in order to use off-peak minutes rather than GPRS data, use Step 2 above and select GSM Only

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