Description Of Uem

[wolverin]

Anda benar.. 100 buat bos Orion.

DATA1 = Data Imei yg tersimpan di IC Flash
DATA2 = Data Imei yg tersimpan di UEM.

ok

[rifqi_gsm]

Originally Posted by Hawkins

Wah, koq bos Rifqi nih yg nanya...

O ya kalo HP DCT4 mati dalam waktu 30 detik itu karena adanya system Watchdog pada DCT4.

Saat Ponsel dinyalakan. UPP akan mencek Data1 Imei yg tersimpan di IC UEM. Data 1 ini adalah Data Imei OTP, yg tdk dpt dihapus maupun ditulis ulang. Data 1 jika rusak atau tdk valid bisa dikarenakan UEM tsb sdh rusak.

Selanjutnya UPP akan mencek pula data2 Imei yg tersimpan di IC Flash. Data2 ini adalah data yg tersimpan di IC Flash Sector 208 PM (RPl 208) yg dapat di hapus maupun ditulis ulang dgn data IMEI/RPL lainnya.

Selanjutnya UPP akan membandingkan Data1 dan Data2 Imei tsb. Jika data berbeda, maka UPP akan melakukan countdown 32 detik dari saat startup untuk mematikan ponsel. Namun jika Data1 dan Data2 sama, maka HP dapat bertahan hidup lebih dari 32 detik tsb.

ooo dalam hitungan 30 detik itu mati di sebut watchdog ya boss.......
watchdog itu apa sih boss....?????
hehehe maklum masih nie bie boss banyak nanya....
kalo menurut gw bukan watchdog sih namanya boss kalo dalam hitungan 30 detik mati......
mohon bimbingannya....

[ORION]

Originally Posted by rifqi_gsm

ooo dalam hitungan 30 detik itu mati di sebut watchdog ya boss.......
watchdog itu apa sih boss....?????
hehehe maklum masih nie bie boss banyak nanya....
kalo menurut gw bukan watchdog sih namanya boss kalo dalam hitungan 30 detik mati......
mohon bimbingannya....

WatchDog = Anjing Penjaga he3.. .. .. (arti bebas)

[Si Cepot]

Originally Posted by rifqi_gsm

ooo dalam hitungan 30 detik itu mati di sebut watchdog ya boss.......
watchdog itu apa sih boss....?????
hehehe maklum masih nie bie boss banyak nanya....
kalo menurut gw bukan watchdog sih namanya boss kalo dalam hitungan 30 detik mati......
mohon bimbingannya....

Kalau bukan watchdog, terus apa namanya bos?
Sedikit referensi yang saya baca :

BB5 Security :
"If the information is illegaly modified, the certificate will change, the terminal recognizes itself, and wont switch on. The Security Watchdog applies a reset to the phone after 3 minutes if a certificate is missing (empty flash). In case of corrupted certificate phone resets after 30 seconds, and enters flash mode then. The watchdog is disable by the phone software after pressing the integrity check."



BB5 SECURITY
SECURITY WATCHDOG TIMER
•

• The security watchdog applies a reset to the phone always after timeout
• The default timeout value is three minutes
• The watchdog is disabled by the phone software if the phone has passed the integrity checks (=NPC OK, phone started to normal mode)
• The default time can be extended to 10 minutes in production (ENO repairing places) by using a smart card

DCT4 Security:
IMEI is written to two places:

• FLASH memory – IMEI can be deleted/rewritten

• UEM (UnErasable Memory) – IMEI can not be changed without changing the UEM chip

IMEI must be the same in both places or the phone will shutdown 33 seconds after power on



•

[bledhuk]

makasih ya ooom...?

[rifqi_gsm]

Originally Posted by Optimus Prime

Kalau bukan watchdog, terus apa namanya bos?
Sedikit referensi yang saya baca :

BB5 Security :
"If the information is illegaly modified, the certificate will change, the terminal recognizes itself, and wont switch on. The Security Watchdog applies a reset to the phone after 3 minutes if a certificate is missing (empty flash). In case of corrupted certificate phone resets after 30 seconds, and enters flash mode then. The watchdog is disable by the phone software after pressing the integrity check."



BB5 SECURITY
SECURITY WATCHDOG TIMER

•

• The security watchdog applies a reset to the phone always after timeout
• The default timeout value is three minutes
• The watchdog is disabled by the phone software if the phone has passed the integrity checks (=NPC OK, phone started to normal mode)
• The default time can be extended to 10 minutes in production (ENO repairing places) by using a smart card

DCT4 Security:

IMEI is written to two places:

• FLASH memory – IMEI can be deleted/rewritten

• UEM (UnErasable Memory) – IMEI can not be changed without changing the UEM chip

IMEI must be the same in both places or the phone will shutdown 33 seconds after power on



•

itu referensi dari mana om admin...

[Si Cepot]

Originally Posted by rifqi_gsm

itu referensi dari mana om admin...

Ada deh

[rifqi_gsm]

Originally Posted by Optimus Prime

Ada deh

hehehhe watchdog itu temannya herder xixixixixi

[h3rdi]

Originally Posted by rifqi_gsm

hehehhe watchdog itu temannya herder xixixixixi

klo herder tu emang Anjing bos, ga ada sangkut pautnya ma UEM

[rifqi_gsm]

Originally Posted by h3rdi

klo herder tu emang Anjing bos, ga ada sangkut pautnya ma UEM

kalo watchdog apa sangkut pautnya dengan uem.... kan sama...