Secret codes for Microsoft Lumia 640 LTE
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Microsoft secret codes
*#06# - IMEI (International Mobile Equipment Identity) number##3282 or ##3282# - Field Test.
##634# - Color Variant + Life Time Counter
##4678255# - Tier3 Status
*#07# or ##07# - Launch main page of extras+info
##778# - Product Support Tool
##634# - Shows color variant and lifetime counter.
##778# - Opens service tools, but nothing seems to be doable there. It says "select function set" but there's nothing to select.
##3282# - Opens field test. Tried locking network to 3G on one of the networks here that have bad reception, and that works perfectly.
##777# or ##777w/call - User Content Reset
##7820# or ##7820w/call - SIM Lock Status
GSM codes for Microsoft Lumia 640 LTE
Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice
Call Forwarding (you have to order the service from the operator)
| ##002# | Deactivate all call diverts |
| ##004# | Cancel all conditional call forwarding |
| **004* phone number # | Activate all conditional call forwarding |
Unconditional call forwarding (Call Forward All)
| ###21 | Switch off and deactivate |
| #21# | Deactivate |
| **21*phone number# | Enable and Activate |
| *21# | Activate |
| *#21# | Check the condition |
Diversion in case of "no answer"
| ###61 | Switch off and deactivate |
| #61# | Deactivate |
| **61* phone number# | Enable and Activate |
| *61# | Activate |
| *#61# | Check the condition |
Diversion in case of "not available"
| ### 62 | Switch off and deactivate |
| # 62 # | Deactivate |
| ** 62 *phone number# | Enable and Activate |
| * 62 # | Activate |
| * # 62 # | Check the condition |
Diversion in case of "busy"
| ###67 | Switch off and deactivate |
| #67# | Deactivate |
| **67*phone number# | Enable and Activate |
| *67# | Activate |
| *#67# | Check the condition |
Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #
Barring of all outgoing calls on your phone
**33*(enter password)#@ - To Activate
#33*(enter password)#@ - To Cancel
*#33#@ - Check Status
How to block all calls
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status
Barring of all outgoing international calls
*331*(enter password)# - To Activate
#331*(enter password)# - To Cancel
*#331# - Check Status
Restrict of all outgoing international calls when roaming
*332*(enter password)# - To Activate
#332*(enter password)# - To Cancel
*#332# - Check Status
Barring of all outgoing calls on your phone
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status
Barring of all incoming calls on your phone
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status
How to block all incoming calls when roaming
*351*(enter password)# - To Activate
#351*(enter password)# - To Cancel
*#351# - Check Status
Call waiting (you have to order the service from the operator)
*43# - To Activate
#43# - To Cancel
*#43# - Check Status
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check Status
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check Status
Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.
If you're unsure about a code, do not use it. It's better to be safe than sorry.
Comments, Questions and Answers about the secret codes of Microsoft Lumia 640 LTE
| Effem Emmanuel | September 18, 2023 | |
| How can I know the Puk code for Microsoft Lumia 640 LTE? | ||
| incredible wakila | August 29, 2021 | |
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| Microsoft lumia 640 lte | March 09, 2021 | |
| Serial number code | ||
| Sara | November 15, 2020 | |
| Where will I get the puk code to unlock my phone without having to wait for EE to be available Monday morning | ||
| solomon | June 17, 2020 | |
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| Bismark | March 21, 2020 | |
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| O | January 15, 2020 | |
| Rdh | ||
| Dave Holland | November 21, 2019 | |
| How do I find the pin 2 | ||
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