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Philips 40PFT4100/12: On-Off Cycle with Logo Despite File Insertion via USB

sergioetzi 9939 14
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  • #1 18258846
    sergioetzi
    Level 8  
    Posts: 14
    Rate: 17
    Board Language: german
    Philips 40PFT4100/12 it turns on and off with logo. I have inserted the files on a USB but not by any result
    Attachments:
    • 40F5501.zip (22.76 KB) You must be logged in to download this attachment.
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  • #2 18259668
    artur0089
    Level 25  
    Posts: 558
    Help: 64
    Rate: 162
    Board Language: polish
    If USB doesn't help, you need the NAND programmer, software dump, and wizard head.
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  • Helpful post
    #3 18259923
    VINZA
    Level 20  
    Posts: 237
    Help: 49
    Rate: 160
    Hi, try this restore file scrupulously following the procedure:
    - Unpack the files and put them in a formatted stick.
    - insert the key and keep the on / off button on the tvc pressed while connecting the mains plug
    - when the LED stops flashing, unplug it and remove the key
    - switch on the appliance
    Attachments:
    • 40pft4100_12_fus_ita.zip (29.41 MB) You must be logged in to download this attachment.
  • #4 18260543
    artur0089
    Level 25  
    Posts: 558
    Help: 64
    Rate: 162
    Board Language: polish
    Since when does Philips update the TV repair software?
  • #5 18261174
    VINZA
    Level 20  
    Posts: 237
    Help: 49
    Rate: 160
    The software does not serve to repair televisions but to improve their performance. This however is not an update but a recovery file that allowed me to solve many cases like the one described. It is also possible to reprogram the Nand but 99% of the CI plus keys would be lost.
  • #6 18261208
    artur0089
    Level 25  
    Posts: 558
    Help: 64
    Rate: 162
    Board Language: polish
    VINZA wrote:
    It is also possible to reprogram the Nand but 99% of the CI plus keys would be lost.

    Everything depends on the master ...
  • #7 18261348
    genkam
    Level 13  
    Posts: 49
    Help: 6
    Rate: 17
    Board Language: polish
    Chassis TPN15.1 ELA?
  • #8 18261669
    VINZA
    Level 20  
    Posts: 237
    Help: 49
    Rate: 160
    artur0089 wrote:
    VINZA wrote:
    It is also possible to reprogram the Nand but 99% of the CI plus keys would be lost.

    Everything depends on the master ...

    Exact!
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  • #9 18263200
    hame47
    Level 11  
    Posts: 28
    Rate: 4
    Prueba con esto.
    Attachments:
    • EmptyBurn_package 2in1_V2.550.zip (29.41 MB) You must be logged in to download this attachment.
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  • #10 18712082
    johngr1
    Level 8  
    Posts: 8
    Rate: 13
    VINZA wrote:
    Hi, try this restore file scrupulously following the procedure:
    - Unpack the files and put them in a formatted stick.
    - insert the key and keep the on / off button on the tvc pressed while connecting the mains plug
    - when the LED stops flashing, unplug it and remove the key
    - switch on the appliance

    thank you very much. It worked!!! You must hold the on-off (joystick) button behind the tv to work!
  • #11 18983539
    ademirch
    Level 1  
    Posts: 1
    Rate: 1
    Thanks a lot. This worked for me as well.


    I, try this restore file scrupulously following the procedure:
    - Unpack the files and put them in a formatted stick.
    - Insert the key and keep the on / off button on the tvc pressed while connecting the mains plug
    - When the LED stops flashing, unplug it and remove the key
    - Switch on the appliance
  • #12 18986761
    VINZA
    Level 20  
    Posts: 237
    Help: 49
    Rate: 160
    ademirch wrote:
    Thanks a lot. It has worked for me as well.

    Perfect! I'm glad you solved it.
  • #13 19127047
    solaris12
    Level 1  
    Posts: 1
    ok thanks perfect

    Dodano po 35 [sekundy]:

    ok perfect procedure
  • #14 19315983
    Stevne
    Level 1  
    Posts: 1
    Rate: 2
    Code: Text
    Log in, to see the code
    [/film][/syntax]
    VINZA wrote:
    Hi, try this restore file scrupulously following the procedure:
    - Unpack the files and put them in a formatted stick.
    - Insert the key and keep the on / off button on the tvc pressed while connecting the mains plug
    - When the LED stops flashing, unplug it and remove the key
    - Switch on the appliance


    Thank you :)
  • #15 21049660
    ronaldiali
    Level 1  
    Posts: 1

    >>18259923
    ca marche bien 100/100
    merci
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Topic summary

✨ The Philips 40PFT4100/12 television is experiencing an on-off cycle displaying the logo, despite attempts to resolve the issue by inserting files via USB. Users suggest using a specific recovery procedure involving a formatted USB stick and holding the on/off button while connecting the power. This method has reportedly resolved similar issues for multiple users. Some responses indicate that the software is not for regular updates but for recovery purposes, and mention the possibility of using a NAND programmer for deeper repairs, although this may result in loss of certain keys.
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FAQ

TL;DR: Stuck on the Philips logo? A USB recovery fixes the 40PFT4100/12 boot‑loop—one user reported "100/100" success. This FAQ guides owners and bench techs through the hold‑button method and safe fallbacks. [Elektroda, ronaldiali, post #21049660]

Why it matters: It can revive a boot‑looping TV in minutes without opening the set.

Quick Facts

How do I fix a Philips 40PFT4100/12 stuck in a logo boot loop?

Use the Philips USB recovery.
  1. Unpack the recovery files and copy them to a formatted USB stick.
  2. Insert the USB, hold the TV’s on/off button, and plug in the mains.
  3. When the LED stops flashing, unplug, remove the USB, then power on. [Elektroda, VINZA, post #18259923]

Which button should I hold during USB recovery?

Hold the rear on/off joystick while you connect power. “You must hold the on-off (joystick) button behind the tv to work!” [Elektroda, johngr1, post #18712082]

How will I know the recovery is complete?

Watch the front LED. When it stops flashing, unplug the TV, remove the USB, and switch the set back on. [Elektroda, VINZA, post #18259923]

Does this USB method really work?

Yes. Users reported success after following the steps. One rated it “100/100,” reflecting a flawless outcome with the method. [Elektroda, ronaldiali, post #21049660]

Is this an official Philips update or a recovery file?

It’s not an update. As an expert summarized, it’s “not an update but a recovery file” used to resolve boot issues. [Elektroda, VINZA, post #18261174]

Could reprogramming the NAND erase my CI+ keys?

Yes. “99% of the CI plus keys would be lost” if NAND is reprogrammed without preserving keys beforehand. [Elektroda, VINZA, post #18261174]

How should I format the USB stick?

Use a clean, freshly formatted USB. The instruction specifies only a “formatted stick” before copying the recovery files. [Elektroda, VINZA, post #18259923]

Where is the on/off (joystick) button located on this TV?

It’s on the back of the TV. Hold this rear joystick during power connection to trigger recovery mode. [Elektroda, johngr1, post #18712082]

When exactly do I unplug and remove the USB?

After the LED stops flashing. Then unplug the TV, remove the USB stick, and power the set back on. [Elektroda, VINZA, post #18259923]

In the steps, what does “insert the key” mean?

“Key” means the USB key (USB stick). Insert it into the TV’s USB port before you apply power. [Elektroda, VINZA, post #18259923]

Can CI+ keys be recovered after NAND reprogramming?

It requires specialist work and tooling. As one pro put it, “Everything depends on the master.” [Elektroda, artur0089, post #18261208]

The LED never stops flashing—what should I do?

That indicates the USB recovery failed. Proceed to NAND reprogramming with a proper dump, or consult a specialist. [Elektroda, artur0089, post #18259668]

Does Philips publish repair software for this boot issue?

Philips releases software to improve performance, not to repair. The shared file here is a recovery, not an update. [Elektroda, VINZA, post #18261174]
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