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Old 07-19-2018, 10:44 AM   #3
R_J
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Join Date: Jun 2012
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My Country: Canada
I'm a: Professional Tech
Posts: 3,282
Default Re: Vtech Phone repair CS6238-4 cordless phone

I found this for a different model It might work on this one?

To manually deregister each handset:

Step 1: Press MENU/SELECT. Display reads: Directory;

Scroll to "SETTINGS" on the 6419 model

Step 2: Enter *7890#. Display reads:
“>Test Base”
“Test Handset”
Step 3: Scroll to “>Test Handset”, then press MENU/SELECT. Display reads: “>SW Version”.
Step 4: Scroll to “>Next Page…”, then press MENU/SELECT.
Step 5: Display reads: “LCD TEST” on top line. Scroll to “>Register Clear”, then press MENU/SELECT.
Step 6: Display reads: “Reg Clear?”, then press MENU/SELECT. Press and hold OFF until “Out of range OR No pwr at base” is displayed.
Step 7: Unplug the battery; wait a few seconds, then reconnect.
Step 8: The registration instructions will appear on the display
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