Here's what I've found out about this phone so far. And a word of caution don't mess with anything unless you know for sure what you're doing because I have no idea how to help you if you mess up your phone, nor do I have the time. I'm simply posting this information as it pertains to our phones.
The best thing I found was the test menu which you can get to by typing:
*#0206*8378#
When you do that it will automatically go into test mode
###################
# TEST MODE MENU #
###################
1. Version
.... 1. H/V version
.... 2. S/W version
.... 3. Library version
.... 4. TFS Checksum
2. H/W test
.... 1. Vib Test
.... 2. Audio Settings
.......... 1. VOICE(POWER)
.......... 2. BEEP(NORMAL)
.......... 3. VOICE(HEADSET)
.......... 4. VOICE(LOUD)
.......... 5. BEEP(HEADSET)
.......... 6. AMR REC(LOUD)
.......... 7. AMR PLAY(LOUD)
.......... 8. AMR REC(HEADSET)
.......... 9. AMR PLAY(HEADSET)
.......... 0. MIDI(NORMAL)
.......... *. MIDI(HEADSET)
.......... #. MP3(NORMAL)
......... 13. MP3(HEADSET)
......... 14. Bluetooth
......... 15. LifeVIbes
......... 17. None
......... 18. None
......... 19. Whisper TxGain
......... 20. TTY
......... 21. Audio Histroy
.... 3. Battery Info.
.... 4. Batt&Temp debug.
.... 5. Sleep Info. (Has a reflash option button?)
.... 6. PWR Off Info.
.... 7. Charging Info.
.... 8. Batt Level Info.
.... 9. Air Power Test.
.......... 1. OnOff setting
................ o Activation
................ o Deactivation (Default)
.......... 2. Time setting
.... 0. Charging Temp Test
3. Lock state
4. SIM Info.
.... 1. SST
.......... (Like 30 Checkbox options with most checked)
.... 2. CPHS
.......... (Like 30 Checkbox options with only like 5 checked)
.... 3. Phonebook
.... 4. EXT
.... 5. Text Message
.... 6. Language
.... 7. IMSI
5. Production >
6. Network settings
.... 1. Band selection
.......... o GSM 900/1800
.......... o GSM 850/1900
.......... o Quad Box (Default)
.... 2. Network selection
.......... Automatic
.......... Manual
7. Text Message
.... 1. Save Message
.... 2. Send Message
.... 3. Phone memory full
.... 4. SIM(CCP)memory full
.... 5. SMS memory full
8. CHECKSUM
*#0673# MP3 Test
*#638738# Look Test (bluetooth?)
*#92782# User Agent
#*5737425# Serial Test (Got frozen screen testing one of these)
*#8999*327# EEP (Can go left and right and lists something ???)
*#8999*523# LCD Brightness
*#4777*8665# GPSR Tool (Global Positioning Satellite Receiver)
*#06# See IMEI
*#1111# S/W Version (Mine is GT401.01)
*#0228# To see speed, voltage and battery temperature
*#1234# Dev Version (Mine is T401UDJD2)
*#2222# H/W Version
*#0206*8378# Test Menu Tool with Many Options
Increase sound (taken from a user on youtube and untried, so I don't know if it works) secret code for the volume is *#0206*8378 (Test Menu) then click on H/w test > then on Audio Settings > then on 13. IIS Normal2. > then on Rx vol. and put the number [6000] in level 14.. it should be louder
Untried Codes:
#*4760# GSM Activate/Deactivate
*#7465625# = Check the locks (I tired this one and it doesnt work so I'm guessing these all probably dont work but thats as far as I will go because I didnt want to mess up my service and not have a phone!!! These look serious. lol)
*7465625*638*Code# = Enables Network lock
#7465625*638*Code# = Disables Network lock
*7465625*782*Code# = Enables Subset lock
#7465625*782*Code# = Disables Subset lock
*7465625*77*Code# = Enables SP lock
#7465625*77*Code# = Disables SP lock
*7465625*27*Code# = Enables CP lock
#7465625*27*Code# = Disables CP lock
*7465625*746*Code# = Enables SIM lock
#7465625*746*Code# = Disables SIM lock
*7465625*228# = Activa lock ON
#7465625*228# = Activa lock OFF
*7465625*28638# = Auto Network lock ON
#7465625*28638# = Auto Network lock OFF
*7465625*28782# = Auto subset lock ON
#7465625*28782# = Auto subset lock OFF
*7465625*2877# = Auto SP lock ON
#7465625*2877# = Auto SP lock OFF
*7465625*2827# = Auto CP lock ON
#7465625*2827# = Auto CP lock OFF
*7465625*28746# = Auto SIM lock ON
#7465625*28746# = Auto SIM lock OFF
Any idea how to browse the internals of this phone such as the folder or file where the default wallpapers are stored?
I tried TK File Explorer and got it to connect but doesn't display anything...
New PC Studio works but obviously can't browse anything inside the phone backend.
The reason I ask is because I'm so frustrated that an a custom wallpaper has black bars on it when you open it the slider way. I'm convinced the default wall paper images are actually two separate images or one big image that is used both ways... but I've tried 220x220 instead of 176x220 and nothing... it just has black bars BOTH ways now... slider closed or open... Atleast 176x220 displays fullscreen with slider closed but if you open it, and it turns the image, it then squishes it to fit thus giving side black bars. Ugly.
So yeah has to be two separate images Im guessing 176x220 and 220x176.
Is there a way to enable Edge on this phone? Because my niece is only getting G at the top of her phone which tells me it is only picking up GPRS which is very slow and it takes forever to send and receive MMS. I know the phone will not pick up 3G but I would think it would at least pickup Edge.
There is some discussion about when 2G will stop being supported in this thread. http://www.howardforums.com/showthre...mp-T-GSM-areas I just bought this phone refurbished for $20. I was having trouble finding reliable reviews for it before I opened the box.
I've tried this with my wife's phone, and it does seem to work. Fold a small piece of paper twice, remove the back cover, and tape the paper shim over the battery... and slide the cover back on. Firms up the battery and stops the intermittent powering off.
SGH-T401G Thread
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Originally Posted by Heather Nichols
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