| Specification Apple iPhone 4 |
| Hard reset Apple iPhone 4 |
| Jailbreak Apple iPhone 4 |
| Unlock Apple iPhone 4 Passcode |
| Bypass FRP Apple iPhone 4 |
| Screenshot Apple iPhone 4 |
|
OS: iOS 4, upgradable to iOS 7.1.2 CPU: 1.0 GHz Cortex-A8 Display: 3.5" inc Camera: 5 MP,
Single |
| *#06# | - IMEI (International Mobile Equipment Identity) number |
| *3001#12345#* and Tap call | - Enter Field Mode. |
| *777# and Tap call | - Account balance for prepaid iPhone. |
| *225# and Tap call | - Bill Balance. (Postpaid only) |
| *646# and Tap call | - Check minutes. (Postpaid only). It will display you the available minutes of your talk time. |
| *#30# and Tap call | - Calling line presentation check. |
| *#5005*7672# and Tap call | - SMS Message Center Number |
| *331* | - Barring code # Outgoing calls abroad to block the lock code to inquire about her please contact your network operator. |
| *936# and Tap call | - To check whether your phone is eligible for firmware upgrade |
| *3282# | - It will let you know about the use of information info. |
| *3370# and Tap call | - EFR(Enhanced Full Rate) Mode. |
| #3370# | - Disable EFR mode. |
| Outgoing Call Anonymity | |
| *#31# and Tap call | - It allow you hide your number. |
| #31#phone-number and Tap call | - Call Anonymity |
| Call Baring | |
| *#33# and Tap call | - Check for call control bars. |
| *33*pin# and Tap call | - Turn ON Call Barring |
| #33*pin# and Tap call | - Turn OFF Call Barring |
| Call Waiting | |
| *#43# and Tap call | - Determine if call waiting is enabled. |
| *43# and Tap call | - Activate a waiting. |
| #43# and Tap call | - Deactivate waiting. |
| *#76# and Tap call | - Check whether the connected line presentation is enabled or not. |
| Call Forwarding | |
| *#21# and Tap call | - Setting interrogation for call forwards. |
| *#62# and Tap call | - Check the number for call forwarding if no service is available. |
| *#67# and Tap call | - Check the number for call forwarding when the iPhone is busy. |
| ##002# and Tap call | - Disable All Forwarding. After that all incoming calls can be received only by the subscriber. |
| *#61# and Tap call | - Check the number for unanswered calls. |
| Change code | |
| **03*old code*new code*new code# | |
| - Change code for call barring | |
| **04*old PIN code*new PIN *new PIN# | |
| - Change SIM Card PIN code | |
| **042*old PIN2 code*new PIN2*new PIN2# | |
| - Change SIM Card PIN2 code | |
| **05*PUK code*new PUK*new PUK# | |
| - Change SIM Card PUK code | |
| **052*PUK2 code*new PUK2*new PUK2# | |
| - Change SIM Card PUK2 code | |
| Activate or deactivate Call waiting | |
| *43# | - Activation call waiting |
| #43# | - Deactivation call waiting |
| *#43# | - Check status of call waiting |
| Set up Call Forwarding | |
| ##002# | - Disable All Call Forwarding |
| **004*PhoneNumber# | - Set all configured call diversions to PhoneNumber |
| ##004# | - Unregister all configured call diversions |
| Call Forward All | |
| *21*PhoneNumber# | - Register and activate divert all calls to PhoneNumber |
| ##21# | - Unregister divert all calls |
| *21# | - Enable Divert all calls on your phone |
| #21# | - Disable Divert all calls on your phone |
| *#21# | - Check status of divert all calls |
| Set call forwarding in case of "no answer" | |
| **61*PhoneNumber# | - Register and activate divert on no answer to PhoneNumber |
| ##61# | - Unregister divert on no answer |
| *61# | - Activation Divert on no answer calls |
| #61# | - Deactivate divert on no answer calls |
| *#61# | - Check status of divert on no answer |
| Set call forwarding in case of "not available" | |
| **62*PhoneNumber# | - Register and activate divert on not reachable |
| ##62# | - Unregister divert on not reachable |
| *62# | - Activate divert on not reachable |
| #62# | - Deactivate divert on not reachable |
| *#62# | - Check status of divert on not reachable |
| Call diversion when "busy" | |
| **67*PhoneNumber# | - Register and activate divert on busy |
| ##67# | - Unregister divert on busy |
| *67# | - Activate divert on busy |
| #67# | - Deactivate divert on busy |
| *#67# | - Check status of divert on busy all call types |
| *#67*11# | - Check status of divert on busy voice calls |
| *#67*13# | - Check status of divert on busy fax calls |
| *#67*25# | - Check status of divert on busy data calls |
| Activate or deactivate Barr all outgoing calls | |
| **33*code# | - Activate barr all outgoing calls (for code see "Safety" above) |
| #33*code# | - Deactivate barr all outgoing calls |
| *#33# | - Check status of barr all outgoing calls |
| GSM codes for barring all calls | |
| **330*code# | - Enable Barr all calls on your phone |
| #330*code# | - Disable Barr all calls on your phone |
| *#330*code# | - Check status of barr all calls |
| USSD Codes For Barring all outgoing international calls | |
| **331*code# | - Barr all outgoing international calls Enable |
| #331*code# | - Barr all outgoing international calls Disable |
| *#331*code# | - Check status of barr all outgoing international calls |
| USSD Codes For Barring all outgoing international calls except home country | |
| **332*code# | - Enable Barr all outgoing international calls except home country on your phone |
| #332*code# | - Disable Barr all outgoing international calls except home country on your phone |
| *#332*code# | - Check status of barr all outgoing international calls except home country |
| GSM codes for barring all outgoing calls | |
| **333*code# | - Barr all outgoing calls Enable |
| #333*code# | - Barr all outgoing calls Disable |
| *#333# | - Check status of barr all outgoing calls |
| Activate or deactivate barring all incoming calls | |
| **35*code# | - Enable Barr all incoming calls on your phone |
| #35*code# | - Disable Barr all incoming calls on your phone |
| *#35# | - Check status of barr all incoming calls |
| GSM codes for barring all incoming calls when roaming | |
| **351*code# | - Enable Barr all incoming calls when roaming on your phone |
| #351*code# | - Disable Barr all incoming calls when roaming on your phone |
| *#351# | - Check status of barr all incoming calls when roaming |
| USSD Codes For Barring all incoming calls | |
| **353*code# | - Activation Blocking all incoming calls |
| #353*code# | - Deactivate Block all incoming calls |
| *#353# | - Check status of Blocking all incoming calls |
 |
Thomas Nilan Smartphone Expert |
| Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones. | |
 | HOPE IDEM | January 19, 2022 |
| PASSCODE FOR DIABLED IPHONE 4 | ||
| Reply | ||
| Krizha | June 13, 2022 |
| It doesn't even work | ||
| Reply | ||
| Aiko Pelayo | June 25, 2023 |
| how use restriction passcode iphone 4 | ||
| Reply | ||
| Xokiqc# | March 28, 2024 |
| The iPhone 4 is a reliable phone with good battery life, smooth performance, and a decent camera. However, the lack of expandable storage may be a drawback. | ||
| Reply | ||
