iOS 11 update error - GSM-Forum

Steve8-44 · 09-25-2017, 05:44

I'm using iPhone 6plus and a few days ago I got iOS 11 update message and I'm trying to update my iOS but the problem is I can't install it after complete the download. I'm trying too many times to download and install the update but I cant.

Any idea?

Thanks.

CuLo · 09-25-2017, 07:25

apple server is down...try tomorrow...is it error 3503?

.::MS::. · 09-25-2017, 08:35

yes you are right same error 3503
server down

BackOFF · 09-25-2017, 08:48

faced now same error 3503 for update ios11.

hochoi · 09-25-2017, 09:07

macbook retor ok now hii

naveenagg18 · 09-25-2017, 09:07

Same here for restoring error 3503

salo_ustad · 09-25-2017, 09:14

iphone error 3503 same here

aashir · 09-25-2017, 09:37

yes same problem ......

blended · 09-25-2017, 10:44

Any fix or trick ? i have 3 phnoe stuck on logo now

kali_fuchi · 09-25-2017, 11:06

iphone error 3503 ,same here, any update please?

red_eagle · 09-25-2017, 11:13

same error here 3503

Dzelailai · 09-25-2017, 11:14

You can equally use itunes to update on your computer instead.

STAR* · 09-25-2017, 11:51

i have same error ...

charletan · 09-25-2017, 11:56

restore u iphone in mac it will be ok

updown · 09-25-2017, 12:08

same here 10.3.3 and 11.0 error 3503 from yesterday nite

09-25-2017, 05:44	#1 (permalink)
Steve8-44 Junior Member Join Date: Sep 2017 Posts: 12 Member: 2757455 Status: Offline Thanks Meter: 0	iOS 11 update error I'm using iPhone 6plus and a few days ago I got iOS 11 update message and I'm trying to update my iOS but the problem is I can't install it after complete the download. I'm trying too many times to download and install the update but I cant. Any idea? Thanks.

09-25-2017, 07:25	#2 (permalink)
CuLo Registered User Join Date: Nov 2007 Location: Marianas Trench Posts: 567 Member: 632643 Status: Offline Thanks Meter: 74	apple server is down...try tomorrow...is it error 3503?

09-25-2017, 08:35	#3 (permalink)
.::MS::. Junior Member Join Date: Apr 2016 Posts: 18 Member: 2558455 Status: Offline Thanks Meter: 6	yes you are right same error 3503 server down

09-25-2017, 08:48	#4 (permalink)
BackOFF No Life Poster Join Date: Sep 2007 Location: pakistan Posts: 1,067 Member: 583290 Status: Offline Thanks Meter: 107	faced now same error 3503 for update ios11.

09-25-2017, 09:07	#5 (permalink)
hochoi Freak Poster Join Date: Jan 2006 Posts: 315 Member: 223499 Status: Offline Thanks Meter: 46	macbook retor ok now hii

09-25-2017, 09:07	#6 (permalink)
naveenagg18 Junior Member Join Date: Jun 2016 Location: INDIA Posts: 20 Member: 2582195 Status: Offline Thanks Meter: 3	Same here for restoring error 3503

09-25-2017, 09:14	#7 (permalink)
salo_ustad No Life Poster Join Date: Dec 2006 Location: Z <> A Age: 49 Posts: 769 Member: 413160 Status: Offline Sonork: 100.1657278 Thanks Meter: 96	iphone error 3503 same here

09-25-2017, 09:37	#8 (permalink)
aashir No Life Poster Join Date: Jan 2004 Location: india Posts: 1,450 Member: 50772 Status: Offline Sonork: 100.1590990 Thanks Meter: 318	yes same problem ......

09-25-2017, 10:44	#9 (permalink)
blended Junior Member Join Date: Oct 2008 Posts: 4 Member: 886503 Status: Offline Thanks Meter: 5	Any fix or trick ? i have 3 phnoe stuck on logo now

09-25-2017, 11:06	#10 (permalink)
kali_fuchi Freak Poster Join Date: Dec 2011 Location: damak,jhapa,nepal Posts: 330 Member: 1705433 Status: Offline Sonork: kali Thanks Meter: 45	iphone error 3503 ,same here, any update please?

09-25-2017, 11:13	#11 (permalink)
red_eagle Freak Poster Join Date: May 2012 Location: Beirut Age: 39 Posts: 412 Member: 1759307 Status: Offline Sonork: 100.1636995 Thanks Meter: 56	same error here 3503

09-25-2017, 11:14	#12 (permalink)
Dzelailai No Life Poster Join Date: Sep 2009 Location: 9ja Posts: 700 Member: 1110430 Status: Offline Thanks Meter: 104	You can equally use itunes to update on your computer instead.

09-25-2017, 11:51	#13 (permalink)
STAR* Freak Poster Join Date: Jul 2014 Location: 149.3.27.22 Age: 38 Posts: 298 Member: 2229851 Status: Offline Thanks Meter: 55	i have same error ...

09-25-2017, 11:56	#14 (permalink)
charletan Freak Poster Join Date: Jan 2005 Age: 55 Posts: 346 Member: 102467 Status: Offline Thanks Meter: 24	restore u iphone in mac it will be ok

09-25-2017, 12:08	#15 (permalink)
updown Freak Poster Join Date: Sep 2005 Location: U.A.E Age: 43 Posts: 312 Member: 182134 Status: Offline Thanks Meter: 16	same here 10.3.3 and 11.0 error 3503 from yesterday nite