The Apple iPhone 5s was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Silver, Gold, and Space Gray.

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Reparing backlight on a iPhone 5s


I want to repair a Iphone 5s backlight, as far as i have found out the FL24 filter has blown and needs to be replaced. I just bought my new soldering station and want to try this repair on my own. Can anyone tell me what kind of flux, solder and tape i will need? What are all the things required to do this kind of repair?

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Thank you all for your answers, i think i'll go with the solder and flux mentioned in this website. What do you think?


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I would say you should do a little more research. If you are unsure on what to use, I think you should go back and learn just a smidge more, I am not trying to sound harsh! I learned this the hard way. I needed something soldered and just used what I thought was right and I ended up ruining it and causing more problems. Basically what you use is all on your opinion and comfort, everyone will have different things they use.

But for me, and for this you could use just about any type of flux that is for electronics repair. Most of the time due to microsoldering, you will want flux in a syringe and sometimes people use a needle end so they reach in very small places. I personally use Amtech, but it is expensive and is a pain to get!

For solder it is opinion. I believe you are not suppose to use leaded solder, but the solder I use is 33% lead. Some use leadless solder, others don't. You can even get some solder that is called quick chip or somehting similar, it drops the melting temperature of the solder. So if you are trying to get something off that has a melting temperature of 185, this solder will drop that melting temperature to around 140 or 120, I forget. That is an optional purchase and it costs around $20 for a little of this stuff. You would not use this to solder aything back on due to such a low melting temperature.

I am not sure what you mean by tape or what you want to use it for, but I use Kapton tape a lot. It is heat resistant and it has an orangish color to it. You can cover components with it to protect them or use it to tape something down.

You will also want a multimeter, a decent soldering station with a small end or a curved end to reach in difficult spots. You may also want good fine ended tweezers, and maybe an xacto knife. You will also want 99% isopropyl alcohol. When you heat flux up it will start to gel up which means it is no good. Use alcohol and a qtip to clean it up.

Due to the parts being so small, a lot of people need microscopes to do the work. If you are only doing this one, then it wouldn't be worth this. But it may be hard to see what you are working on without one. You can also get a really good magnifying glass on a stand to ensure you can see. It is all up to you, if you can see it and everything fine, then it is all good.

Hopefully this is informative enough. Like I said everyone uses different stuff, so my list will be a lot different than someone else's. This is a tricky repair if you have never done anything like this before, and hopefully you have soldered before. You can also check out Louis Rossman's and iPad Rehab's YouTube channel for some more information! Hopefully it all works out for you, I think this is the best way to learn! Good luck and let us know if you need anything!

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Very good answer!


Really good answer


@jetlabbelectro please refrain from using two identities immediately


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So basically you're going to want to test resistance on the filters for .8ohm (should be roughly that). If you're getting a reading thats much higher probably blown filter(s).

Be careful to not apply too much heat as your wifi module is right underneath on the other side of the board. Wifi modules hate heat.

If you've never soldered before plenty of great videos online but I would practice on a parts board first before tackling your own. Just get to know how much heat it takes to remove the component. You want to use as little heat as possible while not rushing the job. Rushing removing any soldered component could lead to removing pads as well.

Definitely don't be afraid to jump in and have fun with it!

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