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苹果 iPhone 5s 于2013年9月10日公布。该设备的维修与以前的型号相似,需要螺丝刀和撬棒。可使用GSM或CDMA / 16、32或64 GB。颜色有银色、金色和太空灰。

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iPhone 5S Stuck in recovery mode : iTunes restore error 50

Hi,

I bought an iPhone off eBay germany. It always gives the same restore error in iTunes :

"The iPhone [iPhone] could not be restored. An unknown error occurred [error 50]."

Anyone got a idea how to get the iPhone to work? I've tried 2 different computers with firewall off, different USB ports, different cables but keep getting this error at around 65% of the restore process.

I've tried restoring in the DFU mode too, still the same error pops up. I read somewhere it might be the Baseband IC which needs to be replaced. Would replacing the Qualcomm MDM9615M help?

Anyone who has had the same issue or knows about it? Kinldy help me out of this.

Haris

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i have same problem error 50 in my i phone 5s i hate i phone :(

i have same error :(

Genius - simply unbelievably true, it works.

I also have the same problem......no one knows how

December 2018 I had exactly the same problem (error code 50) and had tried restoring it multiple times. Eventually tried the hairdryer thing -just a few minutes- and it worked !! Thank you so much!! Total genius .

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Hi. I am from South Korea. I have an IPad Air with a cellular function. I had the same problem of updating error code 50. I knew it might be the faulty baseband because I could not use the cellular function since several month ago. I tried everything suggested but could not succeed. It always stopped in the middle of updating and especially at the point of firmware updating , about 65 percent point. As I thought Baseband IC is the hardware causing the trouble of updating, I tried to heat up the IPad body uniformly with a hair dryer covering it with a blanket to keep its temperature. And it succeeded! Just one shot and it finally passed the 65% where it always stopped! But I could not update (I don't know why) but I had to restore it and it came out as a new IPad! I suppose heating caused the malfunctioning IC to work somehow. I hope my experience to be a help to someone having a similar problem like me.

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Well... Believe it or not i was having this problem with my iphone. I tried everything that you can find on internet. And i am a mac expert. I saw that solution a couple of days ago and found it funny. But this morning, this was my last solution. I tried it 2 times (first did not work) i figure out it was not hot enough. So i open the sim card door and try it a second time, blowing hot air inside the iphone too. All the process was done during the restoration mode. Guess what?? at the famous 75% of the update, the place where it stop working usually (firmware update) IT WORKED! NO ERROR MESSAGE -50. Now my iphone is up and running PERFECTLY well!

Its hard to believe but worked for me as well. Initially i was getting error -1, then it was 50, then 16** something, then i start getting 3194, and lastly 50 again. I've tried to restore on three different computers. However Hair dryer trick worked like a charm. Guys theres nothing to lose, just give it a try.

Thats exactly what i told myself. It was my last hope after many attemps (let's say about 10 different approach to solve the problem) and it worked.. Go figure.

Thanks for those suggesting using hair dryer to make sure it hot enough while restoring. I cant believe my iphone 5s with error 50 while updating but now my iphone working as normal. Use hair dryer guys to make sure it heat enough next to sim card tray. Work for me & i hope its work for u too.

Omg I spent 5 hours trying different things and tried this hairdryer thing as last resort and IT WORKED!!!! Thank u so much!!!!!

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I have just managed to fix a phone with an Error 50 on it. NONE of the help on this forum helped so what i did was this. I held down the Home Button and Power Button for 10 seconds whilst the phone was connected to my Mac. I then let go of the Home button BUT I KEPT HOLDING THE POWER BUTTON during the whole of the sync process and hey presto it worked. Yes i had a sore finger by the end but it has been 2 weeks and my phone has been in 3 shops who couldn't fix it INCLUDING the Glasgow Apple shop. Hopefully this will work for you guys as well.

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I have the same %#*@ issue with my wife's iPhon5s. Update keeps failing and I don't wan to restore until I backup all my kids photos and movies from it. Thanks for the tip. will try it tonight.

This does not work I'm sorry to say

This work on my 5 s ..... thanks, but why cant Apple not help people????? one day people will tune angenst Apple....

Didn't work for me. Now I'm using the logic board teardown to clean any crud that may be causing it. I suspect humidity or water exposure which could have caused corrosion or something to impact the "baseband IC". I suspect I'd need to get a heat gun to remove the protective plate so I can use a toothbrush to clean the connectors with rubbing alcohol. Will post again if it works. What gets me is I spent good money to replace the display and got a 9H screen protector. Grrrrr

Didn't work for me, but by knowing about this I tried a different way and held the home button just before the 65% freeze and continued to until the phone went off for the next stage - and all sorted. Thanks Craig

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Heating up the phone with a hairdryer while the updating process was happening got me back into the phone - and stopped the error 50 code from happening!!! Can't believe it. I tried all of the other methods mentioned earlier multiple times all day but the phone always froze at the 65% (approx) mark....

Once the restore process completed the carrier appeared and normal texts were coming through to my phone - I was also able to send normal texts. As soon as I tried to call someone the carrier disappeared and the phone will only work on WIFI again. Back to where I started but at least I can use the phone on WIFI.

Hmmmm.....

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I tried this as a last ditch effort and it worked! I still can't believe it! She is able to call and receive texts so far.

Holy crap. How in the world did you think of this? It worked!

I was able to restore the phone but too bad no sim is recognized.

And the same issue arrived now when a new IOS update was available. Had to heat up the iPhone to get that installed. Seems like a temporary fix for for a permanent problem.

Sep 2018: Tried the heating method for an iPhone 5 and viola...it worked !!! During the restore process, applied a hair dryer intermittently to the SIM slot. Just ensure that the phone does not heat up too much. Allow to cool before inserting the SIM

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Heat up your phone with a hairdryer, I took the SIM card tray out (you'll have to put ya sim back in to activate it, but it'll heat up quicker if ya take it out)

but get the hair dryer pointed at it, ensure your device gets nice and hot. Believe it or now it works, I'd been trying all week to resolve it but kept having the error 50 notices after getting to around 60/65% but try this..

Restart ya phone

Click restore or update (I updated)

Have a hair dryer pointed at it, ensure it gets hot

and believe it or not it'll go through.

I'd like to thank whoever came up with the hair dryer solution, you're a genius..

This forum has been a God send......

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Wow honestly 5 hours and nothing I can't believe I've just sat there with a hairdryer and burned my hand thinking are you an idiot , lol I cannot belived that sorted the problem how I will never know . I will have one very hallu daughter tomorrow

Worked like a charm!

Thank you so much!

Worked perfectly as per the op's procedure

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OMG, the hairdryer trick works, I've had a dead iPhone 5 for 2 yrs and now my Son has something to play his games on and not bug me for mine.... Outstanding!

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Hello, I had unfortunately no hair dryer, so I put the iphone at about 50 ° for 5min in the oven and believes it or not it has worked afterwards.

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Thank you so much!

Unfortunately, the iphone no longer found a network after it was cooled down. I have the iphone then opened and two strips of adhesive tape glued to the chip, now it has now been working for two days without problems.

Same here once cooled down same issue. Will get a new one.

Thanks for those suggesting using hair dryer to make sure it hot enough while restoring. I cant believe my iphone 5 with error 50 while updating but now my iphone working as normal. 08-05-2017

Worked perfectly for me. We don't have a hairdryer at home. Thanks!

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Error 50 is baseband modem. Reball modem will solve

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For those to whom 'reball' means nothing (and appears rather unhelpful) - like me - it means re-doing the solder on all the PCB connections and it is a process similar to sticking it in a jolly hot oven for a period of time. All the soldered connections melt, re-flow and thus, hopefully, fix a bad connection.

100% correct martin well put forward. the best answer for any baseband signal issues is to find a local repairer that can reball the modem with leaded solder. the fault is a design flaw not helped by the use of unleaded solder as it cracks. any other fix will be short lived as the melting point of unleaded solder is around 246c so no amount of hair drying will suffice i'm afraid and is totally unreliable. if you have genuine parts on your device then your 1st option should always be Apple.

Tony, You appear to know what you are talking about - Why does the hairdryer method work, then? It's obviously not hot enough to do any solder re-flowing. Is it just expansion of... everything... making a better contact somewhere or something? Sure this is only going to last as long as the phone is hot? Just interested. Despite this trick working with my eBay iPhone, I still cant get it to activate - wifi works fine, as does the phone generally. Rather irksome.

Hi Martin

The hair dryer method works as a tempory fix by expansion and contraction with hot air and cold. Ie the freezer method. Following a drop the ball connections can crack rather than detach from the board this is because of the location of the board fixing screw. When the phone is dropped the shockwave travels through the case into the board through the mounting screws. The iphone 5s has three chips that have to be matched for activation on the apple server these being. serial number/ region/ colour/ WiFi and Bluetooth addresses are stored on the emmc (nand) this is tied to a serial number on the baseband modem and the eeprom baseband memory. During restore all three need to communicate and match. If a mismatch then activation is not possible.

Than is it possible that the wifi and bluetooth connection are working, and the phone doesn't ?

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thanks, i've tried 6 times use hairdrier, and finially succeed.

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You could try to flash your device with 3uTools.

http://www.3u.com/tutorial/articles/180/...

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the hairdryer method worked for me!!!

Thanks so much

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YES!!! This does work! I was freaken a little when my screen got all funny because the phone temp was waaaaaaaay high. Try it!!! So happy!

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OMG. I can't believe that worked! Apple were going to charge us £260 for a repair? IT WORKED INSTANTLY. If it doesn't work, make sure you try it twice. We wrapped in a sock and blew a haridryer at it. We also blew inside the sim insert, AND IT WORKED. This is incredible.

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As stupid as it sounds, blow drying directly into the sim card works wonders. My iPhone 6 stopped updating around 65%, but it is finally getting restored

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yupppppppp it works, just heated by putting sim outside, for a minute, it passed 50 error

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I have had this problem more than once. Make sure the phone goes into full dfu mode. This means the screen has gone black-stays black while connected to your pc-then gets recognized as a device in recovery by iTunes. 65% is about when the device will 'wake up' during a restore if only in recovery mode.

1. Device off

2. Hold power / home for 8-10secs

3. Release power while home stays pressed for 10-20secs (depends on iTunes recognizing phone)

4. You should have a black screen and iTunes should be asking you to restore it.

It might take 2-3 times for the phone to completely restore. Hope this helps

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I also suffering this kind problem right now and i don't what to do.. i tried many method came from youtube and other site/threaf on how to fix it, but no one's work

Can anyone help me fix this problem please..thanks

@Blizotte

I tried to restore many many times, still wont restore. Always get the error 50 at the same point.

did your phone work haris? i have the same problem. what did you do?

Just as an update, the steps above put the device in DFU mode which in most instances works and lets you restore (not update) the ipsw, but since error 50 is more often than not a hardware issue, it may not work. Best case scenario, the chip is not damaged, but rather some crud (likely due to some soft of liquid damage) could have caused a connection between couple of the connectors. In that case, use the logic board replacement guide to remove it and then follow the how to fix liquid damage guide to clean it and cross your fingers.

NOTE: water damage doesn't always mean contact with water, water vapour would be just as bad. (i.e. listening to music while taking a hot shower or in a sauna.)

I'm going through this now, but mine is because my 2yr old put it in the washer when mommy was looking away.

NOTE: the logic board is covered by a metal casing which you'll need some sort of indirect heat to remove by heating the many tiny solder connectors between the front and back panels. heat gun is best choice.

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Ok guys ,I spoke to few phone experts and what i heard from them wasn't a good news.but can be fix.

Error 50 caused by "baseband IC" its a hardware thing.you can not fix this problem unless you replace this IC There are technicians out there doing this repair.but depends on where you live.if you live in Asia it cheaper to replace the IC. otherwise it might be not worth paying high cost for repair. but there were some cases rarely the error fix itself restoring over and over again for few times.GOOD LUCK

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Which exactly is the BB IC? One of the repairing experts told me if the IC is replaced the error would be gone but the phone won't activate anymore.

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Hello Haris, have you tried doing a forced restart to solve this problem? I recommend you try it and if it doesn't work out then try use the RecBoot software to get out of the recovery mode. Please see the instructions here: http://www.technobezz.com/iphone-that-is...

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Like said many times before, this is a problem with the baseband ic. I have solved this by reflowing ( heating the chip to the point where the solder balls reset themselves.) If this doesn't work, the BBIC cannot be replaced. It is paired with the processor and Contains the iMei of the phone. A reball of the chip would be required.

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This issue happen when the finger print doesn't work try to put original finger print button which comes with your iphone and any original LCD

Its works with me with iphone 5S & 6.

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https://www.youtube.com/watch?v=9Gxi5cqz... This works!!

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solution is rather simple. Shut down iTunes, go to finder, open images folder; right-click photos-library; select show package contents and delete the folder "iPod Photo Cache". Job done

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Solution to *what* is 'rather simple'?

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Estuve buscando todo el dia y toda la noche, lo que hice fue lo siguiente, al estar en recovery el iphone lo conecte y deje presionado el home boton durante todo el proceso y funciono muy bien ahora mi iphone 5c ya funciona

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Slightly heating the board while restoring worked but did anyone experience the touch going unresponsive?

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I tried the hairdryer under a towel thing and have managed to restore my iPhone. I don't know how long it will stay 'fixed' for but at least this puts off buying a new one

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For me - that didn't do it....

Same agin: error 50

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it works, try by putting sim jacket outside and heat from there and back, it will work

fist "error 50" and now "Error 48! " explain that to me?

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I phone 5s erroro 50

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Going through all the comments, and having the same issue with an iPhone 5s, with the error 50 and stopping after like a quater left, i heated it up with a hairdryer in the appropriate areas, over the motherboard and not the battery and kept it at a reasonable heat,

And restored perfectly and all done, all the comments worked...

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OMG! You guys are lifesavers! The hairdryer trick WORKED!!!! Unbelievable! Thank you, thank you, thank you :-) You saved my son's phone!!! :-)

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Thanks a lot, it worked !!! that's incredible, I spent two days searching for a solution and then the hair dryer worked perfectly well !

thanks !

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Had the same problem with an iPhone 5C, tried different workaround with no success, came here, read this post, thought "that's crazy, come on", read @johnbap's post answer, read all other answers, decided to try.

Worked like a charm.

About two years later, thank you very much @johnbap .

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Ha! I thought the people saying the hairdryer trick worked were just trolling, so because I was so frustrated I thought I'd try it, and &&^& me gently with a chainsaw, it only bloody well worked! I am impressed with the person who worked this out, kudos to you. My phone now completed the RESTORE and this procedure helped to fix my original problem. Thank flipping God.

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It is indeed a baseband issue. But baseband ic cannot be replaced.

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Bizarrely this seems to be working. Cellular data wasn’t working and then whole thing got stuck on restore but this pushed it through and updated it. Fingers crossed it works

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Hairdryer worked for me also sim card slot and next to it and back then it went through

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wooow guys! the blower trick worked! I have no idea why it works but it surprisingly does! This will solve the issue!

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It deffo worked for me first time if it did not for you then you are doing sth wrong !

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