<s>
OpenAtom	O
OpenHarmony	B-Device
,	O
or	O
abbreviated	O
as	O
OpenHarmony	B-Device
(	O
OHOS	O
)	O
,	O
is	O
an	O
open-source	B-License
version	O
of	O
HarmonyOS	B-Operating_System
donated	O
by	O
Huawei	O
to	O
the	O
OpenAtom	O
Foundation	O
.	O
</s>
<s>
Similar	O
to	O
HarmonyOS	B-Operating_System
,	O
the	O
open-source	B-License
operating	O
system	O
is	O
designed	O
with	O
a	O
layered	O
architecture	O
,	O
which	O
consists	O
of	O
four	O
layers	O
from	O
the	O
bottom	O
to	O
the	O
top	O
,	O
i.e.	O
,	O
the	O
kernel	B-Operating_System
layer	O
,	O
system	O
service	O
layer	O
,	O
framework	O
layer	O
,	O
and	O
application	B-Application
layer	O
.	O
</s>
<s>
OpenHarmony	B-Device
supports	O
various	O
devices	O
running	O
a	O
mini	O
system	O
such	O
as	O
printers	O
,	O
speakers	O
,	O
smartwatches	B-Application
and	O
any	O
other	O
smart	O
device	O
with	O
memory	B-Architecture
as	O
small	O
as	O
128	O
KB	O
,	O
or	O
running	O
a	O
standard	O
system	O
with	O
memory	B-Architecture
greater	O
than	O
128	O
MB	O
.	O
</s>
<s>
The	O
system	O
contains	O
the	O
basic	O
capabilities	O
of	O
HarmonyOS	B-Operating_System
.	O
</s>
<s>
The	O
first	O
version	O
of	O
OpenHarmony	B-Device
was	O
launched	O
by	O
the	O
OpenAtom	O
Foundation	O
on	O
September	O
10	O
,	O
2019	O
after	O
receiving	O
a	O
donation	O
of	O
the	O
open-source	B-License
code	O
from	O
Huawei	O
,	O
with	O
support	O
for	O
devices	O
with	O
RAM	B-Architecture
volumes	O
ranging	O
from	O
128	O
KB	O
to	O
128	O
MB	O
.	O
</s>
<s>
The	O
OpenHarmony	B-Device
2.0	O
(	O
Canary	O
version	O
)	O
was	O
launched	O
in	O
June	O
2021	O
,	O
supporting	O
a	O
variety	O
of	O
smart	O
terminal	O
devices	O
.	O
</s>
<s>
Based	O
on	O
its	O
earlier	O
version	O
,	O
OpenAtom	O
Foundation	O
launched	O
OpenHarmony	B-Device
3.0	O
on	O
September	O
30	O
,	O
2021	O
,	O
and	O
brought	O
substantial	O
improvements	O
over	O
the	O
past	O
version	O
to	O
optimize	O
the	O
operating	O
system	O
.	O
</s>
<s>
A	O
release	O
of	O
OpenHarmony	B-Device
supporting	O
devices	O
with	O
up	O
to	O
4	O
GB	O
RAM	B-Architecture
was	O
made	O
available	O
in	O
October	O
2021	O
.	O
</s>
<s>
OpenHarmony	B-Device
can	O
be	O
deployed	O
on	O
various	O
hardware	O
devices	O
of	O
ARM	B-Architecture
,	O
RISC-V	B-Device
and	O
x86	B-Operating_System
architectures	I-Operating_System
with	O
memory	B-Architecture
volumes	O
ranging	O
from	O
as	O
small	O
as	O
128	O
KB	O
up	O
to	O
more	O
than	O
1	O
MB	O
.	O
</s>
<s>
Mini	O
system	O
–	O
running	O
on	O
such	O
devices	O
as	O
connection	O
modules	O
,	O
sensors	O
,	O
and	O
wearables	O
,	O
with	O
memory	B-Architecture
equal	O
to	O
or	O
larger	O
than	O
128	O
KB	O
and	O
equipped	O
with	O
processors	O
including	O
ARM	B-Architecture
Cortex-M	O
and	O
32-bit	O
RISC-V	B-Device
.	O
</s>
<s>
Small	O
system	O
–	O
running	O
on	O
such	O
devices	O
as	O
IP	B-Algorithm
cameras	I-Algorithm
,	O
routers	B-Protocol
,	O
event	O
data	O
recorders	O
,	O
with	O
memory	B-Architecture
equal	O
to	O
or	O
larger	O
than	O
1	O
MB	O
and	O
equipped	O
with	O
processors	O
including	O
ARM	B-Architecture
Cortex-A	O
.	O
</s>
<s>
Standard	O
system	O
–	O
running	O
on	O
devices	O
with	O
enhanced	O
interaction	O
,	O
3D	O
GPU	B-Architecture
,	O
rich	O
animations	O
and	O
diverse	O
components	O
,	O
with	O
memory	B-Architecture
equal	O
to	O
or	O
larger	O
than	O
128	O
MB	O
and	O
equipped	O
with	O
processors	O
including	O
ARM	B-Architecture
Cortex-A	O
.	O
</s>
<s>
To	O
ensure	O
OpenHarmony-based	O
devices	O
are	O
compatible	O
and	O
interoperable	O
in	O
the	O
ecosystem	O
,	O
the	O
OpenAtom	O
Foundation	O
has	O
set	O
up	O
product	O
compatibility	O
specifications	O
,	O
with	O
a	O
Compatibility	O
Working	O
Group	O
to	O
evaluate	O
and	O
certify	O
the	O
products	O
that	O
are	O
compatible	O
with	O
OpenHarmony	B-Device
.	O
</s>
<s>
The	O
following	O
two	O
types	O
of	O
certifications	O
were	O
published	O
for	O
the	O
partners	O
supporting	O
the	O
compatibility	O
work	O
,	O
with	O
the	O
right	O
to	O
use	O
the	O
OpenHarmony	B-Device
Compatibility	O
Logo	O
on	O
their	O
certified	O
products	O
,	O
packaging	O
,	O
and	O
marketing	O
materials	O
.	O
</s>
<s>
On	O
April	O
25	O
,	O
2022	O
,	O
44	O
products	O
have	O
obtained	O
the	O
compatibility	O
certificates	O
,	O
and	O
more	O
than	O
80	O
software	O
and	O
hardware	O
products	O
are	O
in	O
the	O
process	O
of	O
evaluation	O
for	O
OpenHarmony	B-Device
compatibility	O
.	O
</s>
<s>
OpenHarmony	B-Device
is	O
the	O
most	O
active	O
open	B-License
source	I-License
project	O
hosted	O
on	O
the	O
Gitee	B-Application
platform	O
.	O
</s>
<s>
As	O
of	O
October	O
2022	O
,	O
it	O
had	O
23	O
open-source	B-Application
software	I-Application
distributions	O
compatible	O
with	O
OpenHarmony	B-Device
for	O
various	O
sectors	O
such	O
as	O
education	O
,	O
finance	O
,	O
smart	O
home	O
,	O
transportation	O
,	O
digital	O
government	O
and	O
other	O
industries	O
.	O
</s>
<s>
On	O
September	O
28	O
,	O
2021	O
,	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
and	O
the	O
OpenAtom	O
Foundation	O
announced	O
their	O
intention	O
to	O
form	O
a	O
partnership	O
to	O
collaborate	O
on	O
OpenHarmony	B-Device
.	O
</s>
<s>
Oniro	O
OS	O
,	O
which	O
is	O
implemented	O
to	O
be	O
compatible	O
with	O
HarmonyOS	B-Operating_System
,	O
was	O
later	O
launched	O
by	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
in	O
October	O
2021	O
for	O
the	O
global	O
market	O
with	O
the	O
founding	O
members	O
including	O
Huawei	O
,	O
Linaro	O
and	O
Seco	O
.	O
</s>
<s>
Oniro	O
is	O
designed	O
on	O
the	O
basis	O
of	O
open	B-License
source	I-License
and	O
aims	O
to	O
be	O
transparent	O
,	O
vendor-neutral	O
,	O
and	O
independent	O
system	O
in	O
the	O
era	O
of	O
IoT	B-Operating_System
.	O
</s>
<s>
Based	O
on	O
OpenHarmony	B-Device
,	O
SwanLinkOS	O
was	O
released	O
in	O
June	O
2022	O
by	O
Honghu	O
Wanlian	O
(	O
Jiangsu	O
)	O
Technology	O
Development	O
,	O
a	O
subsidiary	O
of	O
iSoftStone	O
,	O
for	O
the	O
transportation	O
industry	O
.	O
</s>
<s>
The	O
operating	O
system	O
supports	O
mainstream	O
chipsets	O
,	O
such	O
as	O
Rockchip	B-Architecture
RK3399	O
and	O
RK3568	O
,	O
and	O
can	O
be	O
applied	O
in	O
transportation	O
and	O
shipping	O
equipment	O
for	O
monitoring	O
road	O
conditions	O
,	O
big	O
data	O
analysis	O
,	O
maritime	O
search	O
and	O
rescue	O
.	O
</s>
<s>
It	O
was	O
awarded	O
the	O
OpenHarmony	B-Device
Ecological	O
Product	O
Compatibility	O
Certificate	O
by	O
the	O
OpenAtom	O
Foundation	O
.	O
</s>
<s>
On	O
January	O
6	O
,	O
2022	O
,	O
OpenHarmony	B-Device
in	O
Space	O
(	O
OHIS	O
)	O
was	O
reported	O
to	O
be	O
a	O
vital	O
play	O
in	O
the	O
future	O
from	O
a	O
scientific	O
and	O
engineering	O
point	O
of	O
view	O
,	O
expecting	O
to	O
open	O
up	O
opportunities	O
for	O
development	O
in	O
China	O
's	O
satellite	O
systems	O
,	O
and	O
surpass	O
SpaceX	O
’s	O
Star	O
Chain	O
plan	O
with	O
the	O
idea	O
of	O
micro-nano	O
satellite	O
technology	O
.	O
</s>
<s>
On	O
August	O
29	O
,	O
2022	O
Hongyuan	O
Zhitong	O
Technology	O
has	O
recently	O
released	O
new	O
software	O
called	O
ZhihongmetaOS	O
,	O
which	O
stands	O
on	O
the	O
surface	O
of	O
the	O
OpenHarmony	B-Device
3.1	O
build	O
and	O
has	O
qualified	O
the	O
eligibility	O
for	O
the	O
OpenHarmony	B-Device
3.1	O
evaluation	O
and	O
gained	O
the	O
Ecological	O
Product	O
compatibility	O
certificate	O
.	O
</s>
<s>
This	O
OpenHarmony	B-Device
OS	O
distribution	O
works	O
on	O
higher	O
security	O
,	O
strong	O
business	O
consistency	O
,	O
and	O
improved	O
performance	O
for	O
consumers	O
targeted	O
mainly	O
for	O
business	O
or	O
industrial	O
users	O
.	O
</s>
