I don't this your advice is a good one. Why to buy many boxes what have same solution? solution that is not safe and LOSE PHONE WARRANTY.
Better take a look of this log made with MY MXKEY:
Phone Type: RM-436 (Nokia 7210 Supernova)
SW Version: V 07.23 17-07-09 RM-436 (c) Nokia
Imei plain: 3531800373*****
Product Code: 0582736
Language Pack:
- not available.
This phone have PM308 protected, SD security in not restorable.
- Avoid SW Downgrade & manual erase to this phone !
SIMLOCK seems to be valid
SUPERDONGLE_KEY seems to be valid
SIMLOCK_TEST passed
SECURITY_TEST passed
Imei net: 3531800373*****
Version: SIMLOCK SERVER
Provider: Hutchinson 3G, Country: Australia
Counter: 0/3, 0/10
CONFIG_DATA: 5050600000000000
PROFILE_BITS: 8000000000000000
BLOCK 1: 1=LOCKED (MCC+MNC): 50506F, DATA=50506F
Backup saved to "BB5_3531800373*****_SIMLOCK.back"
Using device: UFS_USB V2.8 (c) SarasSoft 2007.
Library version: 1.0.0.11600, Date: 08-01-2010
Product: V 07.23 17-07-09 RM-436 (c) Nokia
SYSTEM ASIC ID: 000000010000022600010006030C192101033000 [RAP3G ver: PA 3.x]
ROOT KEY HASH: 9DDBFCFE6E73CED7D8C6268C8EB85723
ROM ID: 273F6D55DFAAF68F
Sending SecondaryBoot [rap3gv3_2nd.fg](0x3D00 bytes) ...OK
Sending PreLoader(0x2E4 bytes) ...OK
Sending ROM(0x11BC bytes) ...OK
Sending SecurityBlock(0x2000 bytes) ...OK
Sending SimlockBinary(0x190 bytes) ...OK
Sending KEYS [SL20] (0x19C0 bytes) ...OK
Connecting to security server ...
Server Receive OK
NCK codes:
#pw+100846455479069+1#
#pw+701838659495834+2#
#pw+789318379784725+3#
#pw+761732143905329+4#
#pw+542531362385495+5#
#pw+438819586331467+6#
#pw+093947292244240+7#
Sending calculated code ...
Sending SP code: #7 OK
Imei net: 3531800373*****
Version: SIMLOCK SERVER
Provider: Hutchinson 3G, Country: Australia
Counter: 0/3, 0/10
CONFIG_DATA: 5050600000000000
PROFILE_BITS: 8000000000000000
BLOCK 1: 1=OPEN: 50506F, DATA=50506F
bye bye mtbox, UB, genie or cyclone credits for 9DDB.
wooooooooooooooooow
thanks Manole