Tech Info - Ericsson 318

To fine tune sound and clean up any echos, place the 388 into the car kit HF 2600.
Then close all windows, engine off and type * # * # 3. The E 388 will fine-tune itself in about a few seconds.

To activate operator lock <- * * <- (This locks the phone to one carriers SIM card - Use with lots of care)
Press Yes to lock and No to notlock. You can also use the codes below to undo this function. USE AT OWN RISK

I have tested the function Lock to SP... At least on the 337 there's a submenu: Enter SPCK-code. There are 5 attempts, which is showed (05 attempts). At final attempt the phone beeps as a warning, 'this is the final try', when entering the menu... Wrong code exits the menu, so you are not stuck in something... When you have tried to enter the code (wrong) all five times, the menu is deactivated, and you'll get: 'Not allowed' when entering <-**<-

To Flash Program a 318

1. Connect the 318 to Cable with RS232/TTL converter.
2. Set Comport to 9600bps, 8 data, 1 stop, no parity.
3. Power ON, wait for "2" and send "OB" to the phone. DO NOT Press ENTER.
4. R should be on screen.
5. send pre_xxx.bin to the MS.
6. You should recieve a ">".
7. send "0B" again.
8. R should be on screen
9. send prodload.bin to the MS.
10. recieve ">".

Done, I don't have the above files so please don't ask for them.

Interesting Informating

The names on the files, sj.....X45 tells you a couple of things. "sj" stands for Sofia-Jane, thats the internal name for the model and x45 stands for "sub-model". The 388 is called model 4/5. The latest 337 phones is called "cr", like in Cost Reduction. They rebuilt the oscillator from a bought-in to one built up with discrete components and that was cheaper.

Clearing Electronic Lock

To clear the electronic lock you have to clear the EEPROM address range 03CF to 03DA by sending the commands:

EEWR 3CF 00
EEWR 3D0 00
EEWR 3D1 00
EEWR 3D2 00
EEWR 3D3 00
EEWR 3D4 00
EEWR 3D5 00
EEWR 3D6 00
EEWR 3D7 00
EEWR 3D8 00
EEWR 3D9 00
EEWR 3DA 00

Cool Stuff to do

Set ComPort to 115200bps, 8 data, 1 stop, no parity and watch all the phone commands on the screen and so on. Make a call and see what happens as well as shutting down.

Power Off

You should press the NO button a few times until Shut Down comes up on the screen, when it does press yes and this will shut down the phone properly.

Pinouts

1 	In Voice
2 	In +5V=External Power, 0V=Battery
3 	Out Ext Speak control
4 	Analog GND
5 	Out Voice
6 	Out +5V=POWER ON, 0V=POWER OFF
7 	Out Charger control
8 	Digital/DC GND
9 	In 0V=normal,+5V=test, +12V=test+flash
10 	In Hook
11 	In TTL serial in
12 	Out TTL serial out
13 	In 0V for aprox 1 sec = POWER ON/OFF
14 	In DC Power supply