<s>
The	O
Realme	B-Application
X2	I-Application
Pro	I-Application
is	O
a	O
smartphone	B-Application
from	O
the	O
Chinese	O
smartphone	B-Application
manufacturer	O
Realme	O
,	O
released	O
in	O
October	O
2019	O
.	O
</s>
<s>
The	O
phone	O
shipped	O
with	O
ColorOS	B-Application
6.1	O
,	O
based	O
on	O
Android	B-Application
9.0	I-Application
(	O
"	O
Pie	B-Application
"	O
)	O
but	O
was	O
upgraded	O
to	O
realme	O
UI	O
1.0	O
between	O
March	O
and	O
April	O
2020	O
.	O
</s>
<s>
It	O
contains	O
a	O
Qualcomm	O
Snapdragon	O
855+	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
,	O
and	O
an	O
Adreno	B-General_Concept
640	O
GPU	B-Architecture
.	O
</s>
<s>
The	O
phone	O
was	O
sold	O
in	O
3	O
variations	O
:	O
6GB	O
RAM	B-Architecture
and	O
64GB	O
storage	O
,	O
8GB	O
RAM	B-Architecture
and	O
128GB	O
storage	O
and	O
12GB	O
RAM	B-Architecture
and	O
256GB	O
storage	O
.	O
</s>
<s>
Android	O
Authority	O
gave	O
it	O
a	O
review	O
of	O
9.3/10	O
,	O
praising	O
its	O
display	O
,	O
internals	O
,	O
charging-speed	O
,	O
and	O
camera	O
setup	O
,	O
while	O
criticizing	O
the	O
color	B-Application
OS	I-Application
and	O
low-light	O
camera	O
performance	O
.	O
</s>
<s>
The	O
smartphone	B-Application
's	O
original	O
operating	O
system	O
ColorOS	B-Application
6.1	O
allowed	O
the	O
unlocking	O
of	O
the	O
phone	O
's	O
bootloader	B-Application
,	O
allowing	O
support	O
for	O
custom	B-Application
Android	I-Application
ROMs	I-Application
such	O
as	O
Lineage	B-Application
OS	I-Application
.	O
</s>
<s>
When	O
the	O
phone	O
upgraded	O
to	O
realme	O
UI	O
1.0	O
,	O
in	O
the	O
first	O
weeks	O
any	O
users	O
with	O
locked	O
bootloader	B-Application
could	O
no	O
longer	O
unlock	O
,	O
but	O
soon	O
Realme	O
released	O
an	O
official	O
method	O
to	O
unlock	O
the	O
bootloader	B-Application
.	O
</s>
