Question about Motorola Mobility MA580 (612572111116) Cordless Phone

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Buttons become unworkable

After a period of time and use, some of the buttons becomer harder and harder to push and register, until some fail completely.

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How do I deregister my cordless Vtech Cs6429 so I can reregister it to work again? After running the battery completely down it's saying to register it but it keeps failing

To deregister all handsets, with all handsets in standby, press and hold the Find Handset button on the base for about 10 seconds (or until the In Use light turns on and flashes). Release the Find Handset button. Then press and release the Find Handset button again while the In Use light is blinking. (You have about 5 seconds.) Wait until the process is complete. You should see the registration message on all handsets.

If the deregistration process fails, you can try resetting the unit from a registered handset. Pick up the registered handset that is on the base. Then press Talk/Flash button and then Off/Cancel buttons. Then try again.

The manual for the additional handset, CS6409, that is available for the CS6429 has the de-registration procedure. That manual is available from the product page: . Click on the Support & Manuals tab. The direct link to the manual is .

I hope this helps.

Cindy Wells

May 03, 2016 | Vtech Phones

1 Answer

At&T EL52300--one phone reads 'out of range-move closer to base.' I did--it doesn't help. Battery OK---What do I do?

It appears that the one handset has become orphaned and
must be de-registered and then re-registered.

1. To de-register the orphaned handset from the old base:
When the orphaned handset says "Connecting..." or "Out of..."
enter *331734 [menu]
and it will soon beep and display "Not registered"

2. To register the new handset to your base:
press the "Handset Locator" button on the base and hold
it until the "in use" light comes on ( ~ 4 seconds ),
then release the button and set the new handset into
the base phone cradle. After ~ 30 seconds it will beep
and display "Handset #" (next in sequence).

3: Note: the base handles a maximum of 12 handsets.

If your system was fully populated ( ie, a handset is
already # 12 ) you will have to clear all the handsets
from the base and re-register them all in sequence.
( it is the only way to 'rescue' the places occupied
by the lost handsets ).

To clear the base of all registrations:

1. Press and hold the the "Handset Locator" button
until the "in use" light lights and then starts to blink
( ~ 10 seconds ), release the button --
then press it again briefly while the "in use" light
is still blinking.

2. The base will beep and all handsets that were registered
will display "Not Registered"

3. Follow the instructions above for each handset
in turn to re-register them:
press "Handset Locator" ~ 4sec ( in-use light on ),
set handset into the base cradle, etc.

The manual is available from:
but does not fully describe these procedures.

Good luck !

Oct 17, 2014 | AT&T El52300 Cordless Phone

1 Answer

Problem imei corrupt and restart after 30sec

see this steps and fix it. God bless you

Restart iPhone

Sometimes all it takes is a restart for the iPhone to become responsive again. To restart your iPhone when it is unresponsive, press and hold the sleep/wake and home buttons until the Apple logo appears (~10 seconds).

Very low battery

It is possible for an iPhone to become unresponsive if the battery drops to an extremely low level. Plug the iPhone into your computer or wall charger and allow it to charge for at least 20 minutes before using it again.
The IC regulator power supply inside can be Short, go to repair.
IMEI nothing to see with the problem.

Jul 13, 2013 | Nokia Phones

1 Answer

Anyway to reset the main base unit for a TRU8888? the total amount (10) of Handsets have been registered, and I need to clear that number out so I can register a total of 3

To Reset The Main Base of a TRU8888:

Hard Reset: With Power off, Press and Hold Delete and Volume Up on main base and plug power back in (holding the buttons until you hear the successful beep)

Soft Reset: With Power off, Press and Hold Do Not Disturb and Volume Up on main base and plug power back in (holding buttons until you hear the successful beep)

Feb 28, 2011 | Uniden TRU8888 Corded Phone

1 Answer

L4 will not register to the base (L402C).This is an add on phone not the one that came in the L402C kit.

The directions to register the extra set are incomplete. I had the same problem. First push the find button on your base until the inuse light flashes. Then push menu on the cordless unit until it says please wait, make sure it says on the cordless unit to push the find button first, then place it in the charging cradle and it should register.

Sep 16, 2010 | Motorola Mobility L4 Cordless Expansion...

1 Answer

BT XD5500 manual

BT Freelance XD 5500

Resetting the base & handset/s on a BT Freelance XD5500:

Hold the Find button on the base unit until you get a double beep then
tap the Find button 7 times.
On the handset:
remove a battery
hold the menu key and refit the battery
screen says SW VERSION
press up arrow key until screen shows REGISTER CLEAR
press menu
press menu again and wait for OK to appear
remove a battery and refit

Registering the XD5500 handset.
Then register the handset to the base as follows:
Hold Find button on base unit until you get two beeps
On handset:
Press menu
Scroll to register
Press menu
Scroll to Register Base
Press menu
Press 1
When it says PIN ? Enter 0 0 0 0 (four zeros) and press menu.

If you have more than one handset then repeat registering the handset to the base for each subsequent handset/phone.

If this procedure fails to solve the issue, then you have a unit with a
fault and if it is less than a year since purchase the retailer should
change it for you.

Aug 03, 2008 | Phones

5 Answers

How to deregister a handset without the base with which it orginally registered. The reason is that that based was destroyed in fire, only the handset survived. Can anything be done to make the HS become...

Uniden TRU 8888Handset Reset (De-Register): 1. Remove Battery. 2. Reconnect battery while holding down "*" and "#" key. 3. Then press the right upper soft key under the LCD. 4. Press the "End" key. 5. Phone will be ready to register to the base.

Dec 20, 2007 | Uniden Cordless Phone

2 Answers

AT&T 1855 phone

Push the program/memory button at the same time you push the remove button, hold buttons down together until machine tells you that the messages have been deleted.

Jan 09, 2007 | AT&T 1855 Phone

8 Answers


To De-register handset while original base present:
-Use De-register menu

To De-register handset without original base present:
-Press and hold "End" button, and while holding that, press and hold # as well.
-Remove battery
-While holding * and # replace battery, and keep holding
-You should hear one beep (let go now)
-Press right menu soft button (at top)
-Should hear one beep and Clear EEPROM/RAM on screen
-Remove and replace battery once again (no need to hold any buttons now)

(USING ANY OF THE TWO METHODS ABOVE MEANT FOR NON-BASE PRESENT, WHILE BASE IS PRESENT WILL TAKE UP HANDSET SPACE ON BASE, eg. HS1 will become HS2, while base reserves HS1 name... a base reset will be required to deal with this).

Resetting the base itself (if you have any handsets deregister them normally before this)
-Unplug power
-Hold 'Delete Messages' key while plugging power back until beep (88 or 0 messages may show)
-Press PLAY once
(To check that all went well, check to see if anything shows under ROOM MONITOR, nothing should be there)

Jun 21, 2006 | Uniden TRU8885-2 Cordless Phone

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