<s>
The	O
iOS	B-Application
mobile	O
operating	O
system	O
developed	O
by	O
Apple	O
Inc	O
.	O
has	O
had	O
a	O
wide	O
range	O
of	O
bugs	O
and	O
security	O
issues	O
discovered	O
throughout	O
its	O
lifespan	O
,	O
including	O
security	O
exploits	O
discovered	O
in	O
most	O
versions	O
of	O
the	O
operating	O
system	O
related	O
to	O
the	O
practice	O
of	O
jailbreaking	B-Application
(	O
to	O
remove	O
Apple	O
's	O
software	O
restrictions	O
)	O
,	O
bypassing	O
the	O
user	O
's	O
lock	O
screen	O
(	O
known	O
as	O
lock	O
screen	O
bypasses	O
)	O
,	O
issues	O
relating	O
to	O
battery	O
drain	O
,	O
crash	O
bugs	O
encountered	O
when	O
sending	O
photos	O
or	O
certain	O
Unicode	O
characters	O
via	O
text	O
messages	B-Protocol
sent	O
through	O
the	O
Messages	B-Protocol
application	O
,	O
and	O
general	O
bugs	O
and	O
security	O
issues	O
later	O
fixed	O
in	O
newer	O
versions	O
of	O
the	O
operating	O
system	O
.	O
</s>
<s>
The	O
Alarm	O
feature	O
of	O
the	O
built	O
in	O
Clock	O
app	O
in	O
the	O
iPhone	B-Application
and	O
iPod	B-Operating_System
Touch	I-Operating_System
has	O
been	O
plagued	O
by	O
major	O
bugs	O
in	O
all	O
versions	O
of	O
iOS	B-Application
4	O
.	O
</s>
<s>
Apple	O
promised	O
the	O
bug	O
would	O
be	O
fixed	O
in	O
iOS	B-Application
4.2	O
,	O
but	O
according	O
to	O
some	O
reports	O
it	O
still	O
exists	O
even	O
in	O
iOS	B-Application
4.3.1	O
.	O
</s>
<s>
This	O
bug	O
was	O
seemingly	O
fixed	O
in	O
iOS	B-Application
4.3	O
.	O
</s>
<s>
Apple	O
confirmed	O
that	O
several	O
battery	O
life	O
bugs	O
were	O
negatively	O
affecting	O
battery	O
life	O
in	O
iOS	B-Application
5	O
.	O
</s>
<s>
They	O
attempted	O
to	O
fix	O
these	O
bugs	O
with	O
iOS	B-Application
5.0.1	O
and	O
5.1	O
but	O
the	O
problem	O
still	O
remained	O
.	O
</s>
<s>
Finally	O
,	O
these	O
bugs	O
were	O
fixed	O
in	O
iOS	B-Application
5.1.1	O
.	O
</s>
<s>
The	O
launch	O
of	O
the	O
iOS	B-Application
5	O
update	O
on	O
October	O
12	O
,	O
2011	O
(	O
including	O
iOS	B-Application
5.0.1	O
released	O
on	O
November	O
10	O
,	O
2011	O
)	O
,	O
led	O
many	O
users	O
to	O
report	O
a	O
major	O
bug	O
causing	O
the	O
device	O
to	O
lose	O
Wi-Fi	O
access	O
.	O
</s>
<s>
Some	O
users	O
of	O
the	O
iPhone	B-Operating_System
4S	I-Operating_System
and	O
iPad	O
(	O
Wi-Fi	O
+	O
Cellular	O
)	O
reported	O
issues	O
with	O
the	O
SIM	O
card	O
in	O
iOS	B-Application
5.0	O
,	O
and	O
even	O
though	O
Apple	O
attempted	O
to	O
fix	O
these	O
issues	O
in	O
version	O
5.0.1	O
build	O
9A406	O
(	O
for	O
iPhone	B-Operating_System
4S	I-Operating_System
only	O
)	O
,	O
they	O
still	O
remained	O
.	O
</s>
<s>
Some	O
users	O
of	O
the	O
iPhone	B-Application
4	O
and	O
iPhone	B-Operating_System
4S	I-Operating_System
reported	O
issues	O
with	O
having	O
echo	O
problems	O
during	O
phone	O
call	O
in	O
the	O
initial	O
release	O
of	O
iOS	B-Application
5	O
,	O
which	O
causes	O
echoes	O
to	O
appear	O
randomly	O
during	O
phone	O
calls	O
made	O
through	O
earbuds	O
.	O
</s>
<s>
Apple	O
admitted	O
that	O
there	O
were	O
several	O
bugs	O
in	O
the	O
mapping	O
app	O
on	O
iOS	B-Operating_System
6	I-Operating_System
,	O
with	O
cities	O
in	O
the	O
wrong	O
location	O
,	O
some	O
places	O
being	O
missed	O
off	O
altogether	O
,	O
some	O
places	O
misnamed	O
and	O
places	O
of	O
interest	O
in	O
the	O
sea	O
.	O
</s>
<s>
This	O
was	O
addressed	O
for	O
the	O
iPhone	B-Operating_System
4S	I-Operating_System
in	O
iOS	O
6.1.1	O
which	O
"	O
fixes	O
an	O
issue	O
that	O
could	O
impact	O
cellular	O
performance	O
and	O
reliability	O
for	O
iPhone	O
4S.	O
"	O
</s>
<s>
Many	O
iPhone	B-Application
users	O
experienced	O
a	O
bug	O
with	O
the	O
Do	O
Not	O
Disturb	O
feature	O
when	O
the	O
calendar	O
changed	O
from	O
2012	O
to	O
2013	O
.	O
</s>
<s>
Another	O
bug	O
caused	O
issues	O
when	O
iOS	B-Application
devices	O
connected	O
to	O
a	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
server	I-Operating_System
to	O
retrieve	O
email	O
,	O
resulting	O
in	O
message	O
"	O
mailbox	O
server	O
resources	O
are	O
consumed	O
,	O
log	O
growth	O
becomes	O
excessive	O
,	O
memory	O
and	O
CPU	O
use	O
may	O
increase	O
significantly	O
,	O
and	O
server	O
performance	O
is	O
affected	O
"	O
.	O
</s>
<s>
On	O
iPhones	B-Application
,	O
another	O
bug	O
found	O
in	O
iOS	O
6.1	O
allowing	O
bypassing	O
the	O
lock	O
screen	O
's	O
passcode	O
to	O
temporarily	O
gain	O
full	O
access	O
to	O
the	O
Phone	O
app	O
,	O
by	O
performing	O
a	O
specific	O
sequence	O
of	O
actions	O
on	O
the	O
phone	O
.	O
</s>
<s>
iPhone	B-Operating_System
5	I-Operating_System
users	O
experienced	O
dropped	O
calls	O
during	O
the	O
release	O
of	O
iOS	O
6.1.3	O
when	O
there	O
was	O
an	O
issue	O
with	O
the	O
audio	O
microphone	B-Application
profile	O
.	O
</s>
<s>
This	O
also	O
caused	O
issues	O
with	O
many	O
voice-over	O
commands	O
,	O
including	O
Siri	B-Application
,	O
to	O
get	O
different	O
results	O
than	O
expected	O
or	O
to	O
fail	O
easily	O
.	O
</s>
<s>
Shortly	O
after	O
Apple	O
released	O
iOS	B-Operating_System
7	I-Operating_System
,	O
users	O
running	O
iOS	B-Operating_System
6	I-Operating_System
were	O
said	O
to	O
have	O
problems	O
using	O
FaceTime	B-Operating_System
.	O
</s>
<s>
Apple	O
later	O
released	O
a	O
support	O
document	O
stating	O
that	O
this	O
was	O
due	O
to	O
an	O
expired	O
device	O
certificate	O
and	O
that	O
devices	O
that	O
supported	O
iOS	B-Operating_System
7	I-Operating_System
should	O
update	O
to	O
it	O
to	O
resolve	O
these	O
issues	O
,	O
and	O
that	O
devices	O
unable	O
to	O
run	O
iOS	B-Operating_System
7	I-Operating_System
,	O
the	O
fourth-generation	O
iPod	B-Operating_System
Touch	I-Operating_System
and	O
the	O
iPhone	B-Operating_System
3GS	I-Operating_System
,	O
should	O
upgrade	O
to	O
iOS	O
6.1.6	O
.	O
</s>
<s>
An	O
attacker	O
could	O
collect	O
or	O
modify	O
data	O
in	O
sessions	O
protected	O
by	O
SSL/TLS	B-Protocol
protocols	O
.	O
</s>
<s>
This	O
same	O
bug	O
was	O
also	O
reported	O
on	O
iOS	O
7.0.4	O
and	O
iOS	O
7.0.5	O
for	O
the	O
iPhone	B-Application
5C	O
and	O
5S	B-Operating_System
.	O
</s>
<s>
For	O
the	O
iPhone	B-Operating_System
3GS	I-Operating_System
and	O
the	O
iPod	B-Operating_System
Touch	I-Operating_System
(	O
4th	O
generation	O
)	O
,	O
iOS	O
6.1.6	O
was	O
released	O
to	O
fix	O
this	O
issue	O
since	O
iOS	B-Operating_System
7	I-Operating_System
is	O
not	O
compatible	O
with	O
these	O
devices	O
.	O
</s>
<s>
A	O
lock	O
screen	O
bypass	O
was	O
discovered	O
in	O
2013	O
within	O
hours	O
of	O
the	O
release	O
of	O
iOS	B-Operating_System
7	I-Operating_System
,	O
caused	O
by	O
the	O
ability	O
to	O
use	O
the	O
control	B-Operating_System
center	I-Operating_System
through	O
the	O
lock	O
screen	O
and	O
tapping	O
on	O
the	O
camera	O
or	O
timer	O
buttons	O
.	O
</s>
<s>
The	O
latest	O
iPhone	B-Application
models	O
,	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
and	O
the	O
iPhone	B-Application
5C	O
,	O
were	O
not	O
affected	O
.	O
</s>
<s>
As	O
a	O
workaround	O
,	O
the	O
Control	B-Operating_System
Center	I-Operating_System
could	O
be	O
turned	O
off	O
for	O
the	O
lock	O
screen	O
in	O
the	O
Settings	O
app	O
.	O
</s>
<s>
Users	O
complained	O
about	O
motion	O
sickness-like	O
symptoms	O
when	O
using	O
iOS	B-Operating_System
7	I-Operating_System
because	O
of	O
the	O
user	O
interface	O
's	O
animation	O
and	O
parallax	O
effects	O
.	O
</s>
<s>
Creating	O
a	O
CardDAV	B-Protocol
Account	O
had	O
a	O
bug	O
that	O
required	O
manual	O
fixing	O
of	O
the	O
CardDAV-Server-URL	O
.	O
</s>
<s>
Local	O
domain	O
names	O
could	O
no	O
longer	O
be	O
resolved	O
in	O
Safari	B-Application
,	O
breaking	O
short	O
names	O
on	O
the	O
local	O
network	O
.	O
</s>
<s>
Users	O
reported	O
various	O
crashes	O
of	O
the	O
home	O
screen	O
,	O
the	O
core	O
service	O
that	O
renders	O
the	O
home	O
screen	O
icons	O
,	O
Notification	O
Center	O
,	O
Control	B-Operating_System
Center	I-Operating_System
,	O
Siri	B-Application
and	O
the	O
lockscreen	O
.	O
</s>
<s>
This	O
could	O
allow	O
an	O
attacker	O
with	O
a	O
privileged	O
network	O
position	O
to	O
capture	O
or	O
modify	O
data	O
in	O
sessions	O
protected	O
by	O
SSL/TLS	B-Protocol
.	O
</s>
<s>
iPhone	B-Operating_System
4S	I-Operating_System
users	O
reported	O
problems	O
with	O
the	O
battery	O
indicator	O
,	O
which	O
would	O
freeze	O
at	O
the	O
same	O
value	O
until	O
the	O
iPhone	B-Application
was	O
restarted	O
.	O
</s>
<s>
In	O
iOS	O
7.1	O
,	O
Touch	O
ID	O
was	O
not	O
functioning	O
on	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
.	O
</s>
<s>
The	O
problem	O
could	O
not	O
be	O
resolved	O
by	O
turning	O
Touch	O
ID	O
on	O
and	O
off	O
in	O
the	O
"	O
Fingerprint	O
and	O
Passcode	O
"	O
menu	O
,	O
restarting	O
,	O
resetting	O
,	O
or	O
restoring	O
the	O
device	O
using	O
iTunes	B-Operating_System
.	O
</s>
<s>
Shortly	O
after	O
the	O
release	O
of	O
iOS	B-Application
8	O
,	O
Apple	O
released	O
a	O
statement	O
pointing	O
out	O
that	O
a	O
bug	O
had	O
been	O
found	O
in	O
the	O
operating	O
system	O
which	O
prevented	O
HealthKit-compatible	O
apps	O
from	O
being	O
released	O
alongside	O
iOS	B-Application
8	O
.	O
</s>
<s>
iOS	B-Application
8.0.1/8.0.2	O
included	O
a	O
fix	O
for	O
this	O
issue	O
.	O
</s>
<s>
iPhone	B-Operating_System
6	I-Operating_System
and	I-Operating_System
iPhone	I-Operating_System
6	I-Operating_System
Plus	I-Operating_System
users	O
who	O
updated	O
to	O
iOS	B-Application
8.0.1	O
wirelessly	O
had	O
cellular	O
service	O
and	O
Touch	O
ID	O
disabled	O
due	O
to	O
a	O
software	O
issue	O
.	O
</s>
<s>
Over-the-Air	O
downloads	O
of	O
iOS	B-Application
8.0.1	O
were	O
stopped	O
within	O
an	O
hour	O
of	O
the	O
release	O
of	O
the	O
software	O
,	O
but	O
many	O
early	O
adopters	O
had	O
been	O
affected	O
.	O
</s>
<s>
These	O
issues	O
were	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
8.0.2	O
a	O
day	O
later	O
.	O
</s>
<s>
Users	O
who	O
updated	O
phones	O
with	O
Touch	O
ID	O
enabled	O
to	O
iOS	B-Application
8.3	O
found	O
out	O
that	O
they	O
could	O
not	O
use	O
Touch	O
ID	O
to	O
make	O
App	O
Store	O
purchases	O
.	O
</s>
<s>
Many	O
users	O
of	O
older	O
generation	O
devices	O
such	O
as	O
the	O
iPhone	B-Operating_System
4S	I-Operating_System
and	O
the	O
iPad	O
2	O
reported	O
performance	O
issues	O
with	O
iOS	B-Application
8	O
.	O
iOS	B-Application
8.1.1	O
addressed	O
the	O
problem	O
.	O
</s>
<s>
Several	O
issues	O
with	O
the	O
new	O
Keyboard	O
API	O
in	O
iOS	B-Application
8	O
were	O
reported	O
,	O
including	O
problems	O
with	O
custom	O
keyboards	O
crashing	O
or	O
not	O
appearing	O
,	O
or	O
being	O
replaced	O
with	O
the	O
default	O
keyboard	O
.	O
</s>
<s>
iOS	B-Application
8.3	O
addressed	O
the	O
problem	O
.	O
</s>
<s>
When	O
a	O
specific	O
sequence	O
of	O
Arabic	O
,	O
Unicode	O
,	O
and	O
English	O
characters	O
are	O
sent	O
through	O
iMessage	O
to	O
a	O
device	O
running	O
iOS	B-Application
8.0	O
or	O
later	O
,	O
it	O
causes	O
the	O
device	O
to	O
crash	O
and	O
restart	O
;	O
if	O
the	O
Messages	B-Protocol
app	O
is	O
then	O
opened	O
,	O
the	O
crash	O
repeats	O
.	O
</s>
<s>
This	O
bug	O
,	O
which	O
had	O
existed	O
since	O
iOS	B-Operating_System
6	I-Operating_System
but	O
had	O
previously	O
had	O
little	O
impact	O
,	O
was	O
reported	O
by	O
a	O
Reddit	B-Application
user	O
in	O
May	O
2015	O
,	O
and	O
prompted	O
a	O
lot	O
of	O
such	O
messages	B-Protocol
to	O
be	O
sent	O
deliberately	O
.	O
</s>
<s>
This	O
issue	O
was	O
resolved	O
in	O
iOS	B-Application
update	O
8.4	O
of	O
1	O
July	O
2015	O
.	O
</s>
<s>
Many	O
users	O
reported	O
greatly	O
increased	O
Game	B-Operating_System
Center	I-Operating_System
loading	O
times	O
which	O
in	O
turn	O
caused	O
apps	O
that	O
used	O
Game	B-Operating_System
Center	I-Operating_System
logins	O
to	O
appear	O
to	O
load	O
slowly	O
.	O
</s>
<s>
This	O
was	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
9.1	O
.	O
</s>
<s>
On	O
64-bit	O
iOS	B-Application
devices	O
,	O
setting	O
the	O
date	O
to	O
January	O
1	O
,	O
1970	O
and	O
restarting	O
the	O
iPhone	B-Application
would	O
prevent	O
the	O
device	O
from	O
starting	O
up	O
until	O
it	O
lost	O
power	O
or	O
its	O
time	O
setting	O
shifted	O
past	O
January	O
1	O
,	O
1970	O
.	O
</s>
<s>
This	O
was	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
9.3	O
.	O
</s>
<s>
Updating	O
an	O
iPhone	B-Operating_System
6	I-Operating_System
with	O
a	O
replaced	O
Touch	O
ID	O
sensor	O
to	O
a	O
new	O
version	O
of	O
iOS	B-Application
would	O
cause	O
the	O
update	O
to	O
fail	O
and	O
report	O
an	O
"	O
Error	O
53	O
.	O
</s>
<s>
This	O
was	O
fixed	O
with	O
a	O
re-release	O
of	O
iOS	B-Application
9.2.1	O
,	O
with	O
build	O
number	O
13D20	O
.	O
</s>
<s>
Apple	O
faced	O
a	O
lawsuit	O
filed	O
February	O
11	O
,	O
2016	O
over	O
the	O
"	O
Error	O
53	O
"	O
message	O
that	O
some	O
iPhone	B-Application
users	O
experienced	O
after	O
updating	O
their	O
devices	O
.	O
</s>
<s>
The	O
lawsuit	O
alleged	O
that	O
Apple	O
's	O
software	O
update	O
caused	O
some	O
iPhones	B-Application
to	O
become	O
"	O
permanently	O
bricked	O
,	O
"	O
and	O
that	O
the	O
company	O
failed	O
to	O
adequately	O
inform	O
users	O
about	O
the	O
risks	O
of	O
updating	O
their	O
devices	O
.	O
</s>
<s>
iOS	B-Application
9.3.2	O
caused	O
problems	O
for	O
some	O
9.7-inch	O
iPad	O
Pro	O
owners	O
,	O
with	O
multiple	O
MacRumors	O
readers	O
and	O
Twitter	O
users	O
reporting	O
issues	O
shortly	O
after	O
installing	O
the	O
update	O
over	O
the	O
air	O
.	O
</s>
<s>
Affected	O
users	O
are	O
seeing	O
an	O
"	O
Error	O
56	O
"	O
message	O
that	O
instructs	O
them	O
to	O
plug	O
their	O
devices	O
into	O
iTunes	B-Operating_System
.	O
</s>
<s>
As	O
a	O
result	O
,	O
iOS	B-Application
9.3.2	O
update	O
was	O
withdrawn	O
.	O
</s>
<s>
This	O
issue	O
was	O
fixed	O
with	O
a	O
re-release	O
version	O
of	O
iOS	B-Application
9.3.2	O
in	O
June	O
2016	O
,	O
with	O
build	O
number	O
13F72	O
.	O
</s>
<s>
Apple	O
faced	O
a	O
lawsuit	O
alleging	O
its	O
iOS	B-Application
9	O
mobile	O
operating	O
software	O
significantly	O
slowed	O
down	O
the	O
iPhone	B-Operating_System
4S	I-Operating_System
.	O
</s>
<s>
Many	O
iPhone	B-Application
SE	O
owners	O
experienced	O
various	O
issues	O
relating	O
to	O
phone	O
calls	O
via	O
Bluetooth	O
connectivity	O
.	O
</s>
<s>
This	O
issue	O
was	O
fixed	O
with	O
iOS	B-Application
9.3.2	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
the	O
initial	O
release	O
was	O
pre-installed	O
only	O
on	O
iPhone	B-Application
7	I-Application
and	O
iPhone	B-Application
7	I-Application
Plus	I-Application
.	O
</s>
<s>
Apple	O
released	O
iOS	B-Application
10.0.1	O
shortly	O
afterwards	O
,	O
and	O
issued	O
an	O
apology	O
.	O
</s>
<s>
Many	O
users	O
,	O
especially	O
those	O
owning	O
an	O
iPhone	B-Operating_System
6s	I-Operating_System
,	O
reported	O
that	O
their	O
phones	O
would	O
shut	O
down	O
automatically	O
with	O
30%	O
battery	O
left	O
.	O
</s>
<s>
This	O
issue	O
was	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
10.3	O
.	O
</s>
<s>
As	O
of	O
the	O
iOS	B-Application
10.2.1	O
release	O
,	O
iOS	B-Application
throttles	O
CPU	O
performance	O
on	O
iPhones	B-Application
with	O
batteries	O
in	O
poor	O
health	O
.	O
</s>
<s>
Due	O
to	O
poor	O
communication	O
from	O
Apple	O
on	O
the	O
addition	O
of	O
this	O
feature	O
,	O
suspicions	O
about	O
planned	O
obsolescence	O
arose	O
,	O
which	O
eventually	O
led	O
to	O
the	O
Batterygate	B-Algorithm
controversy	O
shortly	O
after	O
the	O
release	O
of	O
iOS	B-Application
11	O
.	O
</s>
<s>
They	O
also	O
announced	O
that	O
iOS	B-Application
11.3	O
would	O
show	O
battery	O
health	O
in	O
the	O
Settings	O
>	O
Battery	O
menu	O
and	O
let	O
the	O
user	O
decide	O
if	O
they	O
wanted	O
the	O
previous	O
30%	O
shutdown	O
behavior	O
or	O
the	O
throttled	O
CPU	O
.	O
</s>
<s>
On	O
November	O
22	O
,	O
2016	O
,	O
a	O
five-second	O
video	O
file	O
originally	O
named	O
"	O
IMG_0942.MP4	O
"	O
started	O
crashing	O
iOS	B-Application
on	O
an	O
increasing	O
count	O
of	O
devices	O
,	O
forcing	O
users	O
to	O
reboot	O
.	O
</s>
<s>
The	O
bug	O
was	O
fixed	O
in	O
iOS	B-Application
11.2	O
.	O
</s>
<s>
Users	O
with	O
Outlook.com,	O
Office	O
365	O
,	O
and	O
certain	O
Exchange	B-Operating_System
accounts	O
were	O
unable	O
to	O
send	O
email	O
.	O
</s>
<s>
This	O
has	O
been	O
resolved	O
with	O
the	O
release	O
of	O
iOS	B-Application
11.0.1	O
.	O
</s>
<s>
Users	O
complained	O
of	O
a	O
bug	O
in	O
the	O
built-in	O
keyboard	O
in	O
iOS	B-Application
11	O
that	O
changed	O
the	O
letter	O
"	O
I	O
"	O
to	O
"	O
A	O
[	O
?	O
</s>
<s>
This	O
was	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
11.1.1	O
.	O
</s>
<s>
A	O
bug	O
in	O
iOS	B-Application
11	O
was	O
present	O
that	O
would	O
cause	O
the	O
device	O
's	O
home	O
screen	O
to	O
constantly	O
crash	O
if	O
an	O
app	O
sends	O
local	O
notifications	O
on	O
or	O
after	O
00:15	O
on	O
December	O
2	O
,	O
2017	O
.	O
</s>
<s>
Apple	O
responded	O
by	O
releasing	O
iOS	B-Application
11.2	O
early	O
,	O
which	O
fixed	O
the	O
bug	O
.	O
</s>
<s>
A	O
bug	O
was	O
present	O
in	O
iOS	B-Application
10	O
and	O
11	O
that	O
would	O
cause	O
an	O
app	O
to	O
crash	O
when	O
a	O
certain	O
sequence	O
of	O
Telugu	O
characters	O
was	O
pasted	O
into	O
it	O
,	O
or	O
for	O
the	O
phone	O
's	O
home	O
screen	O
if	O
pasted	O
into	O
Spotlight	O
search	O
.	O
</s>
<s>
The	O
bug	O
was	O
fixed	O
with	O
iOS	B-Application
11.2.6	O
.	O
</s>
<s>
The	O
iOS	B-Application
11.3	O
update	O
caused	O
some	O
iPhone	B-Application
8	O
devices	O
that	O
had	O
had	O
their	O
screens	O
repaired	O
by	O
a	O
third	O
party	O
repair	O
shop	O
to	O
become	O
unusable	O
by	O
disabling	O
the	O
touch	O
screen	O
.	O
</s>
<s>
Apple	O
corrected	O
this	O
issue	O
by	O
releasing	O
iOS	B-Application
11.3.1	O
.	O
</s>
<s>
A	O
privacy	O
issue	O
was	O
discovered	O
when	O
using	O
FaceTime	B-Operating_System
in	O
iOS	B-Application
12.1	O
,	O
that	O
allowed	O
users	O
to	O
eavesdrop	O
the	O
recipient	O
with	O
access	O
to	O
their	O
camera	O
and	O
audio	O
without	O
them	O
answering	O
the	O
call	O
and	O
their	O
knowledge	O
when	O
adding	O
another	O
person	O
to	O
the	O
call	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
Apple	O
permanently	O
disabled	O
Group	O
FaceTime	B-Operating_System
in	O
iOS	B-Application
versions	O
12.1	O
to	O
12.1.3	O
.	O
</s>
<s>
iOS	B-Application
12	O
merges	O
conversation	O
history	O
for	O
devices	O
using	O
a	O
shared	O
Apple	O
ID	O
,	O
even	O
if	O
separate	O
handles	O
are	O
used	O
,	O
such	O
as	O
unique	O
phone	O
numbers	O
or	O
email	O
addresses	O
.	O
</s>
<s>
The	O
iOS	B-Application
12.3.2	O
update	O
,	O
released	O
for	O
iPhone	B-Application
8	O
Plus	O
devices	O
only	O
,	O
caused	O
users	O
to	O
be	O
unable	O
to	O
transfer	O
backups	O
for	O
this	O
version	O
to	O
a	O
different	O
iPhone	B-Application
model	O
as	O
only	O
the	O
8	O
Plus	O
has	O
this	O
software	O
update	O
.	O
</s>
<s>
A	O
kernel	O
vulnerability	O
that	O
was	O
fixed	O
in	O
iOS	B-Application
12.3	O
was	O
accidentally	O
restored	O
in	O
iOS	B-Application
12.4	O
.	O
</s>
<s>
This	O
made	O
iOS	B-Application
12.4	O
vulnerable	O
to	O
exploits	O
using	O
the	O
vulnerability	O
,	O
and	O
a	O
jailbreak	B-Application
was	O
released	O
.	O
</s>
<s>
Later	O
,	O
the	O
kernel	O
vulnerability	O
was	O
patched	O
again	O
by	O
Apple	O
in	O
iOS	B-Application
12.4.1	O
.	O
</s>
<s>
After	O
the	O
release	O
of	O
iOS	B-Application
13.2	O
,	O
reports	O
followed	O
about	O
applications	O
being	O
cleared	O
from	O
memory	O
at	O
a	O
higher	O
rate	O
than	O
in	O
iOS	B-Application
13.1	O
,	O
including	O
on	O
the	O
then	O
latest	O
iPhone	B-Application
models	O
.	O
</s>
<s>
Apple	O
attempted	O
to	O
fix	O
the	O
issue	O
twice	O
in	O
iOS	B-Application
13.2.2	O
and	O
iOS	B-Application
13.3	O
.	O
</s>
<s>
According	O
to	O
multiple	O
people	O
on	O
the	O
MacRumors	O
forums	O
and	O
Reddit	B-Application
,	O
the	O
13.2	O
update	O
"	O
bricked	O
"	O
their	O
HomePods	O
,	O
rendering	O
them	O
unusable	O
.	O
</s>
<s>
Apple	O
advices	O
some	O
users	O
not	O
to	O
install	O
iOS	B-Application
13.2	O
on	O
the	O
HomePod	O
and	O
advice	O
some	O
users	O
not	O
to	O
reset	O
the	O
HomePod	O
after	O
installing	O
iOS	B-Application
13.2	O
.	O
</s>
<s>
This	O
issue	O
was	O
fixed	O
with	O
the	O
release	O
of	O
iOS	B-Application
13.2.1	O
.	O
</s>
<s>
A	O
jailbreak	B-Application
software	O
called	O
Unc0ver	O
was	O
updated	O
in	O
May	O
2020	O
with	O
an	O
exploit	O
targeting	O
devices	O
running	O
iOS	B-Application
11	O
and	O
above	O
,	O
including	O
the	O
then-latest	O
iOS	B-Application
13.5	O
.	O
</s>
<s>
The	O
issue	O
was	O
fixed	O
with	O
iOS	B-Application
13.5.1	O
.	O
</s>
<s>
The	O
ability	O
to	O
change	O
the	O
default	O
app	O
for	O
messages	B-Protocol
,	O
email	O
,	O
internet	O
or	O
other	O
services	O
is	O
reset	O
to	O
the	O
stock	O
app	O
every	O
time	O
the	O
device	O
is	O
reset	O
or	O
turned	O
off	O
.	O
</s>
<s>
Apple	O
attempted	O
to	O
fix	O
the	O
issue	O
with	O
iOS	B-Application
14.0.1	O
.	O
</s>
<s>
On	O
30	O
September	O
2020	O
,	O
Apple	O
acknowledged	O
a	O
battery	O
drain	O
issue	O
in	O
iOS	B-Application
14	O
and	O
released	O
a	O
supporting	O
document	O
that	O
offered	O
the	O
users	O
tricks	O
to	O
fix	O
the	O
poor	O
battery	O
performance	O
.	O
</s>
<s>
In	O
this	O
document	O
Apple	O
claimed	O
that	O
unpairing	O
the	O
iPhone	B-Application
from	O
an	O
Apple	O
Watch	O
followed	O
by	O
erasing	O
all	O
data	O
and	O
settings	O
of	O
the	O
iPhone	B-Application
,	O
and	O
restoring	O
from	O
a	O
backup	O
could	O
be	O
a	O
possible	O
fix	O
for	O
the	O
battery	O
life	O
.	O
</s>
