V1.0
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Phone Unblocking
When the phone is disable due to wrong entry of PHONECODE, it can be re-activated by
entering the right unblocking code. This unblocking code is derived from the IMEI number of the
mobile.
The unblocked code, also known as Master Phone Code, has to be entered in the following
format:
* # 0 0 0 3 * - - - - - - - - #
The Master Phone Code can be obtained by:
1. Fax to Siemens Hotline in Germany
Siemens AG
ICP CD SH
World Service Center, Bocholt, Germany
+49-2871-91-3007
2. Fax to Siemens Hotline in Singapore
Siemens Advanced Engineering Pte Ltd
ICP CD ASC
Ms Ginny Siew
+65-842-6641
3. Internet Solution
A password protected homepage where LSO can enter IMEI number of a disable phone. The
generated Master Code will then be presented for unblocking purpose. This service is offered to
all LSOs.
