2015-03-01 00:53:21 +00:00
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---
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created: 2009-02-02 02:15:29 +0100
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2022-01-23 17:14:59 +00:00
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language: en
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layout: redirect
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layout_old: default
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redirect_to: https://blog.mbirth.de/archives/2009/02/02/siemens-gigaset.html
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2015-03-01 00:53:21 +00:00
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tags:
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2022-01-23 17:14:59 +00:00
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- know-how
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- hacking
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- hardware
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- siemens
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- phone
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title: SIEMENS Gigaset
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toc: false
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updated: 2009-02-02 22:27:14 +0100
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2015-03-01 00:53:21 +00:00
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---
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2022-01-23 17:14:59 +00:00
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2015-03-01 00:53:21 +00:00
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Service mode
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============
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Hold keys **1**, **4** and **7** while turning on the phone. You will see the display test.
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Service menu
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============
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Power-on the phone into service mode and type `76200` (4000er series) or `46395`[^1] (2000er and 3000er series) to get
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to the service menu.
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There you can check some options and on the next regular power-on, you'll see the checked infos on the display. To get
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everything back to normal, repeat the procedure to uncheck these options.
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Factory reset
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=============
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Power the phone on into service mode and type `4685463` to reset the phone to factory settings - **completely**, i.e.
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incl. all phonebook entries. (The normal factory reset keeps them!)
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Phone code
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==========
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If you forgot the phone code, there seem to be 2 ways:
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**1.** Get into the service menu and type: `4#`, push *OK*, `*R#R`, *OK*, `8#9*` and the red button.
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**2.** Get into the service menu, move the selection to the menu separator (`---------`) and type: `89376200`.
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EEPROM patcher
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==============
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:warning: Doesn't work for all phones!
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Get into service mode and type `337766`. This is useful to prepare older *SL74* models for MMS sending:
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1. get into the EEPROM patcher
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1. Type part #1: `63508 65443 32604` and confirm with *OK*
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1. Type part #2: `58644 58028 59475` and *OK*
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1. power off the phone and power on again
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Approval test
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=============
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Hold **1**, **3** and **0** while powering on the phone. (**1**, **5**, **9** and **0** should also work)
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Seems to be a mode where the phone sends data all the time so that you can test radiation.
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[^1]: Zip code of *Bocholt* where the Gigasets are/were built
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