Apple Watch (42mm) firmware & stock ROM

76 official files for Apple Watch (42mm).

Available for Apple Watch (42mm): OTA update. All files are official and download from the maker’s servers.

Model numbers: Watch1,2, N28aAP
Latest OS: watchOS 4.3.2

All versions (76)

Display1.65″ · 390×312
ChipsetApple S1
Storage / RAM8 GB · 512 MB RAM
Battery250 mAh
Shipped withwatchOS 1.0
Announced2014, September

Show all specificationsHide full specifications

Network

Technology: No cellular connectivity
2G bands: N/A
GPRS: No
EDGE: No

Launch

Announced: 2014, September. Released 2015, April
Status: Discontinued

Body

Dimensions: 42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in)
Weight: 50 g body (2.82 oz)
Build: Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
SIM: No; IPX7 water resistant up to 1 meter and 30 minutes

Display

Type: Retina OLED, 450 nits (peak)
Size: 1.65 inches
Resolution: 390 x 312 pixels (~303 ppi density)
Protection: Sapphire crystal glass; 3D Touch display

Platform

OS: watchOS 1.0, upgradable to watchOS 4.3.2
Chipset: Apple S1 (28 nm)
CPU: 520 MHz Cortex-A7
GPU: PowerVR SGX543

Memory

Card slot: No
Internal: 8GB 512MB RAM

Sound

Loudspeaker: Yes
3.5mm jack: No

Comms

WLAN: Wi-Fi 802.11 b/g/n
Bluetooth: 4.0, LE
Positioning: No
NFC: Yes
Radio: No
USB: No

Features

Sensors: Accelerometer, gyro, heart rate; Natural language commands and dictation

Battery

Type: Li-Ion 250 mAh (0.94 Wh), non-removable
Charging: Wireless

Misc

Colors: Stainless Steel/Red, White, Brown/Black/Blue/Marine Blue Buckle, Blue/Stone/White/Storm Gray Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon
Models: A1554
Price: About 700 EUR

Specifications source: GSMArena

Latest by region

Global · OTA update watchOS 4.3.2 9 Jul 2018 · 1.10 GB Not signed

All versions (76)

Apple signing Find a version

Version	OS	Region	Type	Released	Size	Apple signing
`watchOS 4.3.2`	4.3.2	Global	OTA update	9 Jul 2018	1.10 GB	Not signed
`watchOS 4.3.2`	4.3.2	Global	OTA update	25 Jun 2018	1.10 GB	Not signed
`watchOS 4.3.2`	4.3.2	Global	OTA update	13 Jun 2018	1.10 GB	Not signed
`watchOS 4.3.2`	4.3.2	Global	OTA update	30 May 2018	1.10 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	29 May 2018	1.10 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	14 May 2018	1.09 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	7 May 2018	1.09 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	1 May 2018	1.09 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	16 Apr 2018	1.10 GB	Not signed
`watchOS 4.3.1`	4.3.1	Global	OTA update	2 Apr 2018	1.10 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	29 Mar 2018	1.10 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	16 Mar 2018	1.09 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	12 Mar 2018	1.09 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	6 Mar 2018	1.09 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	21 Feb 2018	1.10 GB	Not signed
`watchOS 4.2.3`	4.2.3	Global	OTA update	19 Feb 2018	1.08 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	7 Feb 2018	1.09 GB	Not signed
`watchOS 4.3`	4.3	Global	OTA update	25 Jan 2018	1.09 GB	Not signed
`watchOS 4.2.2`	4.2.2	Global	OTA update	19 Jan 2018	1.08 GB	Not signed
`watchOS 4.2.2`	4.2.2	Global	OTA update	9 Jan 2018	1.08 GB	Not signed
`watchOS 4.2.2`	4.2.2	Global	OTA update	3 Jan 2018	1.08 GB	Not signed
`watchOS 4.2.2`	4.2.2	Global	OTA update	19 Dec 2017	1.08 GB	Not signed
`watchOS 4.2.2`	4.2.2	Global	OTA update	13 Dec 2017	1.08 GB	Not signed
`watchOS 4.2`	4.2	Global	OTA update	5 Dec 2017	1.08 GB	Not signed
`watchOS 4.2`	4.2	Global	OTA update	17 Nov 2017	1.08 GB	Not signed
`watchOS 4.2`	4.2	Global	OTA update	13 Nov 2017	1.08 GB	Not signed
`watchOS 4.2`	4.2	Global	OTA update	6 Nov 2017	1.08 GB	Not signed
`watchOS 4.2`	4.2	Global	OTA update	30 Oct 2017	1.08 GB	Not signed
`watchOS 4.1`	4.1	Global	OTA update	20 Oct 2017	1.08 GB	Not signed
`watchOS 4.1`	4.1	Global	OTA update	16 Oct 2017	1.08 GB	Not signed
`watchOS 4.1`	4.1	Global	OTA update	9 Oct 2017	1.08 GB	Not signed
`watchOS 4.1`	4.1	Global	OTA update	27 Sep 2017	1.07 GB	Not signed
`watchOS 4.0`	4.0	Global	OTA update	12 Sep 2017	1.07 GB	Not signed
`watchOS 4.0`	4.0	Global	OTA update	28 Aug 2017	1.06 GB	Not signed
`watchOS 4.0`	4.0	Global	OTA update	22 Aug 2017	1.06 GB	Not signed
`watchOS 3.2.3`	3.2.3	Global	OTA update	19 Jul 2017	961 MB	Not signed
`watchOS 3.2.3`	3.2.3	Global	OTA update	26 Jun 2017	961 MB	Not signed
`watchOS 3.2.3`	3.2.3	Global	OTA update	13 Jun 2017	961 MB	Not signed
`watchOS 3.2.3`	3.2.3	Global	OTA update	30 May 2017	961 MB	Not signed
`watchOS 3.2.3`	3.2.3	Global	OTA update	16 May 2017	961 MB	Not signed
`watchOS 3.2.2`	3.2.2	Global	OTA update	15 May 2017	961 MB	Not signed
`watchOS 3.2.2`	3.2.2	Global	OTA update	24 Apr 2017	961 MB	Not signed
`watchOS 3.2.2`	3.2.2	Global	OTA update	17 Apr 2017	961 MB	Not signed
`watchOS 3.2.2`	3.2.2	Global	OTA update	10 Apr 2017	961 MB	Not signed
`watchOS 3.2.2`	3.2.2	Global	OTA update	28 Mar 2017	961 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	27 Mar 2017	961 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	20 Mar 2017	960 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	14 Mar 2017	960 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	8 Mar 2017	960 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	27 Feb 2017	960 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	20 Feb 2017	959 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	6 Feb 2017	958 MB	Not signed
`watchOS 3.2`	3.2	Global	OTA update	30 Jan 2017	987 MB	Not signed
`watchOS 3.1.3`	3.1.3	Global	OTA update	23 Jan 2017	943 MB	Not signed
`watchOS 3.1.3`	3.1.3	Global	OTA update	9 Jan 2017	943 MB	Not signed
`watchOS 3.1.3`	3.1.3	Global	OTA update	21 Dec 2016	943 MB	Not signed
`watchOS 3.1.1`	3.1.1	Global	OTA update	5 Dec 2016	943 MB	Not signed
`watchOS 3.1.1`	3.1.1	Global	OTA update	28 Nov 2016	943 MB	Not signed
`watchOS 3.1.1`	3.1.1	Global	OTA update	15 Nov 2016	943 MB	Not signed
`watchOS 3.1.1`	3.1.1	Global	OTA update	7 Nov 2016	945 MB	Not signed
`watchOS 3.1.1`	3.1.1	Global	OTA update	31 Oct 2016	945 MB	Not signed
`watchOS 3.1`	3.1	Global	OTA update	12 Oct 2016	935 MB	Not signed
`watchOS 3.1`	3.1	Global	OTA update	4 Oct 2016	935 MB	Not signed
`watchOS 3.1`	3.1	Global	OTA update	21 Sep 2016	930 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	7 Sep 2016	933 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	15 Aug 2016	928 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	9 Aug 2016	928 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	1 Aug 2016	927 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	18 Jul 2016	916 MB	Not signed
`watchOS 2.2.2`	2.2.2	Global	OTA update	18 Jul 2016	701 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	5 Jul 2016	911 MB	Not signed
`watchOS 3.0`	3.0	Global	OTA update	13 Jun 2016	907 MB	Not signed
`watchOS 2.2.2`	2.2.2	Global	OTA update	6 Jun 2016	701 MB	Not signed
`watchOS 2.2.1`	2.2.1	Global	OTA update	20 Apr 2016	702 MB	Not signed
`watchOS 2.2.1`	2.2.1	Global	OTA update	6 Apr 2016	701 MB	Not signed
`watchOS 2.2`	2.2	Global	OTA update	21 Mar 2016	701 MB	Not signed

Apple only lets you restore versions it is still signing. Signing status is checked every hour.

How to install firmware on Apple Watch (42mm)

Apple Watch, HomePod and Apple TV updates (OTA files) — Apple Watch, HomePod and most Apple TV models update over the air. The OTA files listed here are the official update packages, useful for a…