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    1/7/2007

    Motorola Motofone F3 Dissassembly

    Sorry for ANY confusion - I bought a 900 Mhz GSM phone, which will NOT work in the USA. My post below had the wrong number in it (now corrected). Sorry!

    The Motofone F3—a beautifully designed phone. Sadly, the only version of the Motofone available on eBay is a 900/1800 dual band phone, which does not work with carriers in the US. The GSM version that will work in the US—850/1900—is only available in Mexico and Chilie. However, through the wonders of eBay, I was able to get a hold of the European version (the 850 900 variant). I was originally going to send it back to the seller, as the auction claimed it was a tri-band phone. Instead, I could not wait and decided to open the guy up. What follows is a disturbing set of pictures—be forewarned that these images may be disturbing to those of you who shed a tear at the destruction of a gadget.

    For starters, I have posted all of these images to Flickr: Motorola Motofone F3 Dissassembly

    I will be updating this post with commentary along with each picture.

    IMG_3274_front.jpg
    Canon 20D

    This is the front of the Motofone. A bit dusty, but you get the picture. I feel this part is the least exciting, as we’ve all seen this same picture over and over.

    IMG_3271_back_torx.jpg
    Canon 20D

    Again, not quite that interesting. Just the back, but with four oh-so-tempting torx screws (T-5 to be exact).

    IMG_3269_shell_outside_batt.jpg
    Canon 20D

    Can you feel the tension building? Here we have removed just the back cover. An interesting array of copper contacts can be seen below the battery, to the right. Possibly for communication with the phone (no USB port), it’s purposes are unclear.

    IMG_3268_back_outside_sim.jpg
    Canon 20D

    The battery removed, standard serial #, IMEI #, etc… plus some barcodes.

    IMG_3267_back.jpg
    Canon 20D

    SIM card removed. The battery must be removed to remove the SIM card.

    IMG_3263_back_notorx.jpg
    Canon 20D

    Silver Torx screws removed. To remove the casing from the keypad/display, run your fingernail along the front of the phone between the keypad edge and the casing. Doing this a few times separates the two halves. You also will have to pry up on the casing at the top and bottom, and *slide* the casing upwards.

    IMG_3254_shell_inside.jpg
    Canon 20D

    This is the inside of the back phone casing. The Motofone is essentially 3 pieces. The display/keypad (next picture), “Motherboard” rev MA, and the back casing. You can see the speaker at the top with two spring contacts and the antennas are top and bottom.

    IMG_3250_boardMA_back.jpg
    Canon 20D

    This is a closeup of board MA, side 5B. 4 black phillips head screws (PH000?) have been removed. The microphone is attached with two wires, and fits into a hole in the keypad/display assembly.

    IMG_3242_boardMA_front.jpg
    Canon 20D

    This is the flip side, you can see the connector in the upper right, which connects it to the keypad. The text on the board:
    2-5
    5A (Side?)
    COMPEQ
    MA (board version)
    94V-0 (I don’t know about the 0)
    294-6
    1048825-T

    IMG_3246_inside.jpg
    Canon 20D

    This is the back side of the keypad. An amazingly thin assembly. It is soldered to the keypad, no screws visible to disassemble it. I did not take a picture of the front—it is exactly like the front, minus the barely-visible bezel.

    IMG_3261_side.jpg
    Canon 20D

    This is a horrible picture, but hopefully it gives you a sense of just how thin this phone could be, if there were no battery.

    If I were to be reimbursed for the cost of this phone, I’d tear it apart, unsolder the casings above board MA, and unsolder the keypad assembly to reveal all the E-Ink(y) goodness.

    — site admin @ 1:12 pm


    23 Responses to “Motorola Motofone F3 Dissassembly”

    1. Luis Villa says:

      Was the 850 variant carrier locked, or were you able to use it with t-mobile? I’d kill to replace my current phone with one of these.

    2. site admin says:

      Test

    3. Rafo Mercado says:

      Hello, first of all, sorry for my bad english; this is not precisely a question about dissasembly, but I hope you can help me: I have a F3, and I like the “inverted” mode of the display in stand-by (white characters, black background), I want to know if there are any way or trick to set the phone to show always the display in that way, instead of invert it to white background in operative mode. Thanks.

    4. site admin says:

      I don’t know, sorry! I don’t think this is possible… however… *IF* it was possible to reverse the polarity of the device that drives the display, then you would get the effect you want. Basically, it is a segmented display, and is very simple (as compared to an LCD). The way e-ink writes about their product, then i would imagine it is this simple. Getting to the power supply, however, seems a daunting task.

    5. [...] Motorola Motofone F3 Dissassembly Motorola Motofone F3 [...]

    6. Dude in Thailand says:

      Guys,
      I’ve got one of these (I’ve had it for 6 months), and it is FANTASTIC! Even though it’s not a popular phone model in Thailand (it was made primarily for India), I’d love to have about 3 of them (the price is so low).

      I highly recommend it!

    7. where says:

      Are these phones available in thailand? If so where?

    8. Paul says:

      Hi!

      Could you further dissassembly the metal tops of the ‘Faraday-cages’. In other words: what chip(sets?) are used. I heard about a one-chip TI solution, but it could well be Infinions solution..

      Thanks in advance. Great work!

    9. Pyrofer says:

      I took the final panel apart. Its scary.
      Its all stuck down and you have to pry it apart with a flat screwdriver. The PCB bends substantialy!
      I got like a 20 degree bend without breaking it. That goes for the e-ink screen too.
      There is however not much point in doing this. All I suceeded in doing was making sure I couldnt re-assemble the phone.
      There are only 2 ICs under the metal, and they are the driver ICs for the e-ink screen.
      The plug in module at the bottom appears to be the whole phone, with connections for keypad, screen, leds mic and speaker on that little connector. To use the e-ink screen just remove the phone and find the pinout for that connector!
      btw, you CANNOT remove the screen from the phone pcb assembly. It would definately destroy it. The driver chips are already connected so better to use the whole PCB anyway and get a free kb and leds :p
      I think this is the driver chip,
      http://www.solomon-systech.com/products/ssd1621.htm
      but I cant get a datasheet yet.

    10. hemanth says:

      just bought one.. think i’m gonna love it.. thanks for ur very very helpful & interesting article.. any more info will be most appreciated…

    11. I have a f3 moto but sometimes when i press first icon message it sends a vacuum message. So it is a wasted call.Any comment good guys!

    12. Javier says:

      Is there a way to clear the incoming/outgoing calls log?

    13. nakadude says:

      I got one in Guatemala. It was already assembled when I got it. My problem is that I can’t get the battery door off. How does one accomplish this? I’ve tried pressing on the chrome latch and it doesn’t move. I’ve tried screwdrivers and other assorted tools and no luck. Which direction do you move the chrome latch? What is the process of removing the door?

    14. Nix says:

      This cell represents what cells should be. Calls, SMSs, Alarm, excellent battery life & network coverage, vibration (silent mode).
      My recommendation. I got one of these in my hands at the moment :)

      Cheers!

    15. site admin says:

      You need to press in slightly at the chrome button, then pry upwards - the metal latch isn’t so much of a latch, as a way to get your fingernail under the back cover.

    16. thaikarl says:

      i bought one of these in the states. online deal of the day. but, having no sim card, i didn’t use it until now, when i’m in thailand. the inital prompts are in spanish, which i don’t understand. i put in my sim card from DTAC. it asks for time and date, then it appears to be asking for some kind of code number… key presses are masked with an *. you have to type 8 or 10 characters before the underline check mark appears, pressing up arrow key then gives “codo incorecto” or something like that. what number is it asking for? i can’t find any documentation about this.

      and at some points it says something about “no sim”… but there IS a sim card inside. any ideas?

    17. site admin says:

      Sounds odd - if you bought it in the states, it should have been the US version, probably defaulting to english. It also sounds like it is locked. Who did you buy it from?

    18. carl says:

      you can get these new, legal in latvia for 20$

    19. [...] O aparelho desmontado [...]

    20. MSC says:

      What type of cable/adaptor is required to use a vintage handset with the MotoFone?

    21. site admin says:

      @MSC

      I don’t know - but I think it uses a (standard?) 1/8″ mini stereo jack.

    22. johan says:

      I would like to buy a brand new F3 motofone 900/1800. I know that this phone is very cheap.
      Do you know where i can buy it?

      Thanks a lot

    23. matt says:

      It’d be super if they released F4 - essentially an F3, but with bluetooth and gprs functionality + water/dust resistance at IP66.

      I’d buy it!

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