Repair4MobilePhone: Do-It-Yourself Mobile (Cell) Phone Upgrading, Modding and Repairing
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How to Upgrade, Repair, Disassemble a Siemens (now BenQ) Mobile (Cellular) Phone

Need to repair your Siemens mobile (cellular) phone? Here is a collection of free take apart instructions, modding guides, disassembly pictures, upgrade and repair manuals, as well as do-it-yourself (DIY) tips and tricks to fix mobile (portable) phones made by Siemens. If you have written a HOWTO yourself (or if you know of a tutorial not linked here), please submit a new entry. You can also publish a guide in the Mobile Phone Repair Wiki.

Siemens A55Dismantling guide with pictures.
Siemens C35/3508Opening instructions and pictures.
Siemens C35How to remove the antenna (in German).
Siemens C65, CX65, CXT65, M65, S65, SL65How to make a Noname datacable work, illustrated schematics and soldering instructions.
Siemens M35Turning a mobile into a wireless modem.
Siemens C25 / S25 / S35 ... 45 [archived link]Self made data cable (in German).
Siemens C35Do you want to mod this cellphone with another display color? This HOWTO gives you assistance in replacing the LEDs (in German).
Siemens C55This tutorial describes all the techniques required to take apart the cellphone and re-solder another kind of LEDs into it (in German).
Siemens P1Pinouts, schematics and more.
Siemens S6GSM plug PIN layout (in German).
Siemens S25Self made data cable to connect to a HP 100LX, 200LX, 700LX, 1000CX PalmTop.
Siemens S25Are you looking for a new look of the cellphone display? Changing the LEDs is the answer (in German).
Siemens S10, S/E11, C10, C11, S25, C/S/M35, Nokia et. al.Selfmade data cable (PC-Interface, 3V and 5V), pinouts.
Siemens S25,C35, M35, S35, SL42, S45 und SL45 [archived link]Building a serial data cable (RS-232) (in German).
Siemens S45The S45-SMS Alarming System: how to use an old and broken phone for alarming purpuses on a small Linux server. Disassembling is not an easy task with this type of phone. You have to find these small plastic "noses" on the left and right side.
Siemens S45A guide to LED replacement: disassembly and soldering tips (in German).
Siemens S66A full housing installation guide: tools and tricks.
Siemens SX1Cover replacement, a short guide with pictures (in German).
Siemens SX1How to replace the display, an illustrated tutorial (in German).
Siemens SX1How to repair a broken display glas (in German).
Siemens SX1An illustrated step-by-step guide about the removal of the housing and the LCD.

Manufacturer Information, Customer Service

Hardware Maintenance Manual, User Guide, Service Manual

As far as I know Siemens doesn't provide free service manuals.


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© Werner Heuser 2005-2014 · · last change Sat Mar 12 2011