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reha

Software Developer
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My Apple 30-pin Cable Saga

June 6, 2026

When I first got my hands on a hand-me-down iPhone 4, there was just one catch, the original 30-pin cable was completely dead on the USB-A side. Not wanting to let a perfectly good piece of retro tech sit in a drawer gathering dust, I dug out my soldering iron and created a DIY cable.

Of course, it wasn't pretty, but it worked flawlessly. I successfully restored and even jailbroken the iPhone 4 several times using this incredibly sketchy cable. It served me faithfully until last week, when it finally gave up the ghost.

The incredibly sketchy but functional DIY 30-pin cable after its death

Instead of being annoyed, I saw the cable's demise as the perfect excuse to upgrade. I had plans of modernizing the setup with a sleek USB-C or micro USB charger mod. How hard could it be, right?

First off, I had to find a proper donor connector. I dove into my scrap electronics box and began my search.

I discovered an old Taotronics SoundLiberty 92 charging case (it went to the scrapyard when one of the earbuds died, but it had a working USB-C port). I thought this was the absolute perfect candidate for my mod. That is, until the “little” oopsie I made while trying to extract the motherboard.

Yes, that is a hole that I poked in a Li-Po battery with a small screwdriver... Oops!!!

Failing the USB-C attempt, I decided to go with an old TomTom motherboard’s micro USB port.

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Ahem... don't mind the D+!!!

This time, I failed even more miserably. I completely destroyed the pins thanks to my, admittedly, poor (micro) soldering skills.

Sitting among the wreckage, I had a realization. I thought to myself:

Why don’t I just redo the previous sketchy solder job and call it a day?

And so, I did exactly that.

I fired up the iron, repeated my original, unglamorous fix, and it worked like a charm. I can now happily use my iPhone 4 again! No USB-C, no micro USB, just the same old DIY magic.

Wire insulation is for losers!!!!11 /j
Yayyyyyy