Please Note: We try to provide every kind of tips and secrets related to various Sony Ericsson Mobile Models including Sony Ericsson 218 Secrets and Sony Ericsson 337 Secrets. All these Secrets are taken from trusted sources and we have also tested many of them but still we can’t guarantee if they will work properly for you. Feel free to take these tips and try on your own risk. We won’t be held responsible for any damages caused to your mobile phone. Hopefully nothing such will happen

Sony Ericsson 218 and 337 Codes (Continue):

To enable, send the following:

EEWR 047A 01

Wait for the OK prompt, power off* the phone and disconnect it from the interface cables. Powerup and browse through the menus.

To disable, send the following:

EEWR 047A 00

Clearing Electronic Lock

To clear the electronic lock you have to clear the EEPROM address range 045B to 0466 by sending the commands:

EEWR 045B 00

EEWR 045C 00

EEWR 045D 00

EEWR 045E 00

EEWR 045F 00

EEWR 0460 00

EEWR 0461 00

EEWR 0462 00

EEWR 0463 00

EEWR 0464 00

EEWR 0465 00

EEWR 0466 00

Disabling the Service Provider Lock:

To disable send the following command:

EEWR 1587 00

To enable send the following command:

EEWR 1587 01

Experimental Commands – Use at own Risk

To dump the application software send the following:

PREA

Bank range : 00..7F

Address : 0000..BFFF

Bytestoread : 0000..BFFF

The “additional” value returned at the end are the checksum value for the returned program memory bytes. Note, the byte-values are always returned in format 0000 and NOT 00.

PREA FF

Returns the application checksum, takes a few seconds.

Notes on the PH 337

1. Calculator mode is NOT available on all PH sw versions.

2. Invoking Calc/RBS mode not available for GH337 sw versions below R2A

3. SPCK attempts can be changed to 50 instead of the std 5 tries

4. The instruction LIME returns ERR but does not screw up phone

5. The instruction IMEI returns the IMEI no.

6. Pressing YES in response to FLASH? does screw up the unit. 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.

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