How to enter Diag mode

How to enter Diag mode

How to Enter Diag Mode by Carrier Phone:

Sprint SPH-L710 (Galaxy S III) and SPH-L900 (Note 2)

Open Dialer enter ##3424#
When PhoneUtil Opens Select PDA
Tap Qualacomm USB Setting
Select DM+Modem+ADB
Tap OK
(Remember after flashing to return and put phone back to MTP+ADB)

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Sprint SPH-L720 (Galaxy S4)

There are two options to dial for diag menu on this phone
##3424# and *#7284#
One will ask for an SPC Code and One will Not
Use the one that does not ask for SPC Code
When PhoneUtil Opens Select PDA
Tap Qualacomm USB Setting
Select DM+Modem+ADB
Tap OK
(Remember after flashing to return and put phone back to MTP+ADB)

__________________________________________________ __________________________________________________

Verizon ]SPH-I535 (Galaxy S III) and SCH-I605 (Note 2) up to 4.2.2 Android Version

Open Dialer enter *#22745927
When Enable/Disable Menu comes up tap “Hidden Menu Disabled”
Select “Enable” on Popup
Press Home button
Open Dialer
Dial **87284
When PhoneUtil Opens Select PDA
Tap Qualacomm USB Setting
Select DM+Modem+ADB
Tap OK
(Remember after flashing to return and put phone back to MTP+ADB)

__________________________________________________ __________________________________________________ 


Verizon ]SPH-I535 (Galaxy S III) and SCH-I605 (Note 2) 4.3 Android Version

Dial ##DMMODE#
Tap On
(Remember after flashing to return and Tap OFF)

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Verizon SPH-I545 (Galaxy S4) / Galaxy Stellar I200 4.1.2

Dial ##DMMODE#
Tap On
(Remember after flashing to return and Tap OFF)
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USCellular SCH-R530 U (Galaxy S III) and SCH-R950 (Note 2) up to 4.1.2 Android Only

Open Dialer enter *#22745927
When Enable/Disable Menu comes up tap “Hidden Menu Disabled”
Select “Enable” on Popup
Press Home button
Open Dialer
Dial *#7284#
When PhoneUtil Opens Select PDA
Tap Qualacomm USB Setting
Select DM+Modem+ADB
Tap OK
(Remember after flashing to return and put phone back to MTP+ADB)

__________________________________________________ __________________________________________________
USCellular SCH-R530 U (Galaxy S III) and SCH-R950 (Note 2) 4.3 Android Only

Dial ##DMMODE#
Tap On
(Remember after flashing to return and Tap OFF)

__________________________________________________ __________________________________________________

USCellular SCH-R970 (Galaxy S4) under 4.3

Open Dialer enter *#22745927
When Enable/Disable Menu comes up tap “Hidden Menu Disabled”
Select “Enable” on Popup
Press Home button
Open Dialer
Dial *#0808#
When PhoneUtil Opens Select PDA
Tap Qualacomm USB Setting
Select DM+Modem+ADB
Tap OK
(Remember after flashing to return and put phone back to MTP+ADB)

__________________________________________________ __________________________________________________

USCellular SCH-R970 (Galaxy S4) 4.3

Dial ##DMMODE#
Tap On
(Remember after flashing to return and Tap OFF)

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Verizon SM-G900V 

0 need get ROOT!

1 install root explorer apk, google for it

2 navigate to /system/efs/carrier/HiddenMenu and change from OFF to ON save and exit.

3 navigate to /system/etc/autorun.iso and either rename *.bak or delete it.

4 enter into your dialer *#0808# and select DM+MODEM+ADB

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