Question about Motorola Expansion Handset (SD4501) Phone

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My motorola SD4501 failed to register, despite following directions

The booklet or website offer no troubleshooting for this problem, so any help would be appreciated. Thanks.

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Re: My motorola SD4501 failed to register, despite...

Try doing the process nice and slow if not Contact suppurt

Posted on Jan 31, 2006

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How do you register a old uniden SSE27 handset to a new Uniden SSE37 base

The following is taken directly from the SSE37 owners' manual:

Registering a handset
If you see a "not registered" message on a handset,
you must register it to a base before using it.
On the base, open the menu and select
Register Accy.
On the handset, press and hold #/DND
until the handset display says
Handset Registering (about 2 seconds).
Wait until the handset display says
Registration Complete (about 30 seconds),
then pick up the handset.
If you don't hear a dial tone or the display says
Registration Failed, charge the battery completely,
then try again.

Good luck!

Feb 19, 2015 | Uniden Phones

1 Answer


Are you sure of the model number? The D1680 should register the handset when you put it on the base for 30 seconds. (You should see Handset Registering followed by Registration Complete.) Then press Talk/Flash to check for dial tone. On this model if the registration fails, charge the battery (or replace the battery and then charge that). Then repeat the registration.
The manual for the Uniden D1680 is available here: .

For other Uniden phones, like the DEC1060, you need to navigate through the handset menus to find the Handset Registration command. Then press and hold the Register Handset (Find Handset) key on the base for 3+ secondsThen the base and handset will synch. (Low batteries could interfere with the process.)

For the D3288, you access the base menu for Register Accy and then press and hold # on the handset for 30+ seconds. (You will see Registering followed by Registration Complete.)

Additional Uniden cordless phone manuals are available here: .

I hope this helps.

Cindy Wells
(with a flea market phone, my first suggestion is to try a new battery for the handset. They only have a given number of recharge cycles and you do not know the history. However, sometimes the chargers do fail and a new battery will not work. In that case, the phone should be replaced. It isn't worth the cost of out-of-warranty repairs.)

Jul 01, 2011 | Uniden D1680 Cordless Phone

1 Answer

We replaced the base unit and can not register our existing handsets because they were registered to the previous base unit. Once registered the handset's menu doesn't offer a register or...

To un-register the SB67108 handset from a base unit, SB67118 or SB67138, you will need to do these steps in order:
1. Press menu
2. Key in this sequence *883247#
3. Select deregister
4. Unplug the battery for minimum 10 seconds
5. Plug battery back in and it will want to be registered.
6. Follow the directions in your base unit manual to reregister it.
That's it in a nut shell.

Jun 08, 2011 | AT&T SB67108 Phone

1 Answer

How can i update my motorola l6 software

Sure, just follow this link to the Motorola website (Software update page) and select your phone from the drop down list.

Feb 04, 2011 | Motorola Phones

1 Answer

I have a Motorola L404 cordless phone. i bought an additional handset. I cannot get it to register with the base unit. It just keeps saying "registration failed"

On the Motorola L404 series, to deregister all handsets you unplug both the phone and power to the base station. Press and hold the 'find' button while plugging the power back in. The display will show "CL". Continue to hold the find button till the display shows '00' and all the handsets will show 'unregisterd'. You then proceed by registering all your handsets again in the order you want them listed.

Sep 01, 2010 | Motorola Mobility L4 Cordless Expansion...

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Did you follow step by step instructions leading up to Registration; i.e HS Setup and BS Setup??

Dec 28, 2008 | Jwin G.E. Thompson: GE-29257GE1 Corded...

1 Answer

Brand new cordless handset -- no dial tone, no ring!

I doubt it's the battery. As I understand it the base works fine and the problem is only with a cordless phone. Are you using an external charger stand for the cordless handset? These phones need to be registered to the base unit. That is usually done by installing the cordless phone in the base unit but you may need to do that shortly after insalling the battery or you could have a register button or setting.

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1 Answer

Out of Range

Open this link; go to the FAQ's for an MD760/MD761 and it solved my similar problem for my phone. Primarily, you will be resetting your system (almost like rebooting) and if necessary, deregister and follow with registering. I did not have to do the last part (deregister), but it does work. Good luck.

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1 Answer

Won't register

hi follow these steps and you will so great:( page 8) wont work try deregistering and then register again good luck

Apr 09, 2006 | Motorola Mobility MD7001 Cordless...

6 Answers

New Expansion Handset refuses to register with the base

If im not misytaking the base has to be set up for another expansion too.

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