Question about Panasonic X300

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Sim MEP lock failed

When ever i am trying to switch my phone on, its failing to accept the sim but i have been using it from january since ever i bought it.

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Bring the phone to the service company that supports your make and model

Posted on Jun 03, 2008

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How To Enter Unlock Code Into BlackBerry Mobile Phones Step By Step Instruction...


Model: 6xxx 7xxx: Example; 6230, 7100, and 7290 etc.:
Before you start, you MUST take out the Sim Card & turn OFF ALL wireless radios
1. Press the Menu key
2. Select Options / Settings
3. Select Sim Card
4. Enter MEPD (not case sensitive), Note: When typing in MEPD, the letters will not appear on the screen
5. Then enter MEP Hold Alt Key and type number 2. NOTE: You must use the "alt" key to enable numbers, example: enter MEP hold "ALT key" and enter 2. Note: When typing in MEP2, the letters/number will not appear on the screen, this step open up the "Enter Network MEP" box. If you do not see "Enter Network MEP" box, you didn't type in MEP2 properly.

Model: 7100, 8100, 8110, 8120 & 8220:
Before you start, you MUST take out the Sim Card & turn OFF ALL wireless radios
1. Press the Menu key
2. Scroll to Turn Wireless Off and press the trackball (Will show Turn Wireless ON).
3. Scroll to Options and press the trackball.
4. Scroll to Advanced Options and press the trackball.
5. Scroll to SIM Card and press the trackball.
6. Type MEPD (not case sensitive). Notice: Keep in mind for mepd is meoop on these model. Because oo = p. Note: When typing in MEPD, the letters will not appear on the screen. This step opens up the personalization on the device.
7. Type MEP, then hold ALT key and type number 2. Note: When typing in MEP2 the letters/number will not appear on the screen, this step open up the "Enter Network MEP" box.
8. Enter Unlock Code
9. Press the Enter Key. (Make sure you press the Enter Key within 5 second or you have to enter the unlock code again).

Model: 8700, 8700c, 8700g, 8700r
Before you start, you MUST take out the Sim Card & turn OFF ALL wireless radios
1. Press the Menu key
2. Scroll to and select Manage Connections. Select Turn All Connections Off.
3. Press the red end key or the Escape key to go back to the Home screen.
4. Scroll to and select the Setting icon.
5. Scroll to Options
6. Scroll to and select Advanced Options.
7. Scroll to and select SIM Card.
8. Type MEPD Note: When typing in MEPD the letters will not appear on the screen. This step opens up the personalization on the device.
9. Type MEP then hold 'ALT" key and type number 2. Note: When typing in MEP ATL 2 the letters/number will not appear on the screen, this step open up the "Enter Network MEP" box.
10. Enter the unlock code.
11. Press the Joydial to confirm ("Code Accepted should display)
12. Press and hold the red End key to turn the handheld off and then back on.
13. Once the device has powered on, follow steps 1 & 2 and restore connections.

Model: Curve 8300, 8310, 8320, 8520, 8800, 8820, 8900, Bold 9000,Pearl 3G 9105, 9300 Curve 3G, 9630 Tour, 9650 Bold, 9700 Bold, 9800 Torch.
Before you start, you MUST have a Sim Card (could be Active or Inactive) & turn OFF ALL wireless radios
1. Press the Menu key
2. Scroll to and select Manage Connections. Select Turn All Connections Off.
3. Press the red end key or the Escape key to go back to the Home screen.
4. Scroll to and select the Options icon.
5. Scroll to and select Advanced Options.
6. Scroll to and select SIM Card.
7. Type MEPD Note: When typing in MEPD the letters will not appear on the screen. This step opens up the personalization on the device.
8. Type MEP then hold 'ALT" key and type number 2. Note: When typing in MEP ATL 2 the letters/number will not appear on the screen, this step open up the "Enter Network MEP" box.
9. Enter the unlock code.
10. Press the trackball ("Code Accepted should display)
11. Press and hold the red End key to turn the handset off and then back on.
12. Once the device has powered on, follow steps 1 & 2 and restore connections.

Method 1: Model: 9500, 9530 Storm, 9550 Storm 2, Telus, Bell Canada Storm
Before you start, you MUST have an Unauthorized Sim Card inserted. Unauthorized Sim Card is a Sim Card that is NOT belong to the provider of the phone. Example: If you have a Verizon phone, you need to insert a T-Mobile Sim Card inside the phone before turn it on.

1. Power on the phone.
2. Phone will said "MEP check failed. Do you want to enter MEP unlock code". Select Yes.
3. "Enter Network MEP code (# left)". Enter the unlock code.
4. Press Enter, you should see "Code Accepted"
5. You need to check Network Connection is set on GSM/UMTS. Menu>Manage Connection>Mobile Network Options and make sure it GSM/UMTS.
6. Once GSM/UMTS is selected. You can now ready to make phone call.
Notice: If the network not working after your phone is fully charged and unlocking process "Code Accepted". You must change from Verizon CDMA network to GSM Global Network a few times, after change from Verizon CDMA to GSM Global 3 times is completed, leaves it on GSM Global Network. Now it should work. (Verizon 8830 World Edition DOES NOT work in USA)

Method 2: Model: 8830, 9500, 9530 Storm, 9550 Storm 2, Telus, Bell Canada Storm
Before you start, you MUST have Sim Card inserted & turn OFF ALL wireless radios, turn the phone sideways so you get the full QWERTY keypad.

1. Press the Menu key
2. Scroll to and select Manage Connections. Select Turn All Connections Off.
3. Press the red end key or the Escape key to go back to the Home screen.
4. Scroll to and select the Options icon.
5. Scroll to and select Advanced Options.
6. Scroll to and select SIM Card.
7. Type MEPD Note: When typing in MEPD the letters will not appear on the screen, this step open up the personalization on the device.
8. Type MEP then hold 'ALT" key and type number 2. Note: When typing in MEP ATL 2 the letters/number will not appear on the screen, this step open up the "Enter Network MEP" box.
9. Enter the unlock code.
10. Press Enter (Press the trackball for 8830), you should see "Code Accepted"
11. Press and hold power key to turn the handset off and then back on.
12. Once the device has powered on, follow steps 1 & 2 and restore connections.
Notice: If the network not working after your phone is fully charged and unlocking process "Code Accepted". You must change from Verizon CDMA network to GSM Global Network a few times, after change from Verizon CDMA to GSM Global 3 times is completed, leaves it on GSM Global Network. Now it should work. (Verizon 8830 World Edition DOES NOT work in USA)

You can get the unlock code through online..........give your IMEI number and get the unlock code for ur mobile.... i will suggest the website Unlock-Zone.com which is doing good service .....you can approach this website.






on Apr 08, 2011 | Cell Phones

1 Answer

Code mep imei


Mep code message displays in Blackberry phone only.It asks mep code when you try to insert other network sim card in a locked phone.Using mep code you can unlock it from network lock.In Nokia phones usually it requests for Unlock code or restriction code.Do you want to unlock your Nokia Lumia 710 from network lock.Get the unlock code from the site Simpleunlocking.com and unlock it easily.Check whether unlocking service is available or not for this model and if its available buy it and unlock your phone from network lock.Then use with any gsm network sim card.

May 04, 2013 | Nokia Lumia 710

3 Answers

I'm trying to unlock my BB storm 9530,after I type "MEPPD" I enter "MEP2" or "MEPP2" but still I dont get any window to put the unlock code in,any ideas ?!


Before you start, you MUST have an Unauthorized Sim Card inserted. An unauthorized Sim Card is a Sim Card that is NOT belong to the provider of the phone. Example: If you have a Verizon phone, you need to insert a T-Mobile Sim Card inside the phone before turn it on. 1. Power on the phone.
2. Phone will said "MEP check failed. Do you want to enter MEP unlock code". Select Yes.
3. "Enter Network MEP code (# left)". Enter the unlock code.
4. Press Enter, you should see “Code Accepted”
5. You need to check Network Connection is set on GSM/UMTS. Menu>Manage Connection>Mobile Network Options and make sure it GSM/UMTS.
6. Once GSM/UMTS is selected. You can now ready to make phone call.
Notice: If the network not working after your phone is fully charged and unlocking process “Code Accepted”. You must change from Verizon CDMA network to GSM Global Network a few times, after change from Verizon CDMA to GSM Global 3 times is completed, leaves it on GSM Global Network. Now it should work. (Verizon 8830 World Edition DOES NOT work in USA)

Mar 29, 2010 | RIM BlackBerry Storm 9530 Smartphone

9 Answers

I need to get a MEP code for my blackberry storm 9500


Insert any sim card
2. Turn off all of the wireless connections
3. Go to Options
4. Select Advanced Options
5. Select SIM Card
6. Hit menu select show keybord
7. Enter mepd (you will not be able to see the typed info)
8. Enter mep2
9. Now it will say enter network mep code

Jun 19, 2009 | RIM BlackBerry Storm 9530 Smartphone

1 Answer

My n95 8g is not werking im buy it ebay im putig the sim it sy sim registration failed


It seems like the phone is locked to a network.  You will need to get the phone unlocked to accept your sim card

Dec 13, 2008 | Nokia N95 Cellular Phone

1 Answer

Windows vista


Can anyone help with a code to unlock a Siemens CL75 ,
IMEI: 356328004960824 from VIRGIN UK
when mobile is on then massages is sim mep lock failed.

Jan 22, 2008 | Siemens CL75

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