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Apple Watch (38mm)

Apple Watch (38mm) firmware

76 official files for Apple Watch (38mm).

Model numbers
Watch1,1, N27aAP
Latest OS
watchOS 4.3.2

All versions (76)

  • Display1.5″ · 340×272
  • ChipsetApple S1
  • Storage / RAM8 GB · 512 MB RAM
  • Battery205 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, May
Status
Discontinued

Body

Dimensions
38.6 x 33.3 x 10.5 mm (1.52 x 1.31 x 0.41 in)
Weight
40 g body (2.72 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
1.5 inches
Resolution
340 x 272 pixels (~290 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 205 mAh (0.78 Wh), non-removable
Charging
Wireless

Misc

Colors
Stainless Steel/Red, White, Brown/Black/Blue/Red/Marigold/Jay Buckle, Blue/Stone Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon
Models
A1553
Price
About 650 EUR

Specifications source: GSMArena

Latest by region

All versions (76)

Version OS Region Type Released Size Apple signing
watchOS 4.3.2 4.3.2 Global OTA update 1.09 GB Not signed
watchOS 4.3.2 4.3.2 Global OTA update 1.09 GB Not signed
watchOS 4.3.2 4.3.2 Global OTA update 1.09 GB Not signed
watchOS 4.3.2 4.3.2 Global OTA update 1.09 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.09 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.08 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.08 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.08 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.08 GB Not signed
watchOS 4.3.1 4.3.1 Global OTA update 1.08 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.08 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.08 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.08 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.08 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.08 GB Not signed
watchOS 4.2.3 4.2.3 Global OTA update 1.07 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.07 GB Not signed
watchOS 4.3 4.3 Global OTA update 1.07 GB Not signed
watchOS 4.2.2 4.2.2 Global OTA update 1.07 GB Not signed
watchOS 4.2.2 4.2.2 Global OTA update 1.07 GB Not signed
watchOS 4.2.2 4.2.2 Global OTA update 1.07 GB Not signed
watchOS 4.2.2 4.2.2 Global OTA update 1.07 GB Not signed
watchOS 4.2.2 4.2.2 Global OTA update 1.07 GB Not signed
watchOS 4.2 4.2 Global OTA update 1.07 GB Not signed
watchOS 4.2 4.2 Global OTA update 1.07 GB Not signed
watchOS 4.2 4.2 Global OTA update 1.07 GB Not signed
watchOS 4.2 4.2 Global OTA update 1.07 GB Not signed
watchOS 4.2 4.2 Global OTA update 1.07 GB Not signed
watchOS 4.1 4.1 Global OTA update 1.06 GB Not signed
watchOS 4.1 4.1 Global OTA update 1.06 GB Not signed
watchOS 4.1 4.1 Global OTA update 1.06 GB Not signed
watchOS 4.1 4.1 Global OTA update 1.06 GB Not signed
watchOS 4.0 4.0 Global OTA update 1.06 GB Not signed
watchOS 4.0 4.0 Global OTA update 1.04 GB Not signed
watchOS 4.0 4.0 Global OTA update 1.04 GB Not signed
watchOS 3.2.3 3.2.3 Global OTA update 961 MB Not signed
watchOS 3.2.3 3.2.3 Global OTA update 960 MB Not signed
watchOS 3.2.3 3.2.3 Global OTA update 960 MB Not signed
watchOS 3.2.3 3.2.3 Global OTA update 960 MB Not signed
watchOS 3.2.3 3.2.3 Global OTA update 960 MB Not signed
watchOS 3.2.2 3.2.2 Global OTA update 960 MB Not signed
watchOS 3.2.2 3.2.2 Global OTA update 960 MB Not signed
watchOS 3.2.2 3.2.2 Global OTA update 960 MB Not signed
watchOS 3.2.2 3.2.2 Global OTA update 960 MB Not signed
watchOS 3.2.2 3.2.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 960 MB Not signed
watchOS 3.2 3.2 Global OTA update 958 MB Not signed
watchOS 3.2 3.2 Global OTA update 958 MB Not signed
watchOS 3.2 3.2 Global OTA update 986 MB Not signed
watchOS 3.1.3 3.1.3 Global OTA update 943 MB Not signed
watchOS 3.1.3 3.1.3 Global OTA update 943 MB Not signed
watchOS 3.1.3 3.1.3 Global OTA update 943 MB Not signed
watchOS 3.1.1 3.1.1 Global OTA update 943 MB Not signed
watchOS 3.1.1 3.1.1 Global OTA update 943 MB Not signed
watchOS 3.1.1 3.1.1 Global OTA update 943 MB Not signed
watchOS 3.1.1 3.1.1 Global OTA update 944 MB Not signed
watchOS 3.1.1 3.1.1 Global OTA update 944 MB Not signed
watchOS 3.1 3.1 Global OTA update 934 MB Not signed
watchOS 3.1 3.1 Global OTA update 934 MB Not signed
watchOS 3.1 3.1 Global OTA update 930 MB Not signed
watchOS 3.0 3.0 Global OTA update 932 MB Not signed
watchOS 3.0 3.0 Global OTA update 927 MB Not signed
watchOS 3.0 3.0 Global OTA update 927 MB Not signed
watchOS 3.0 3.0 Global OTA update 926 MB Not signed
watchOS 3.0 3.0 Global OTA update 915 MB Not signed
watchOS 2.2.2 2.2.2 Global OTA update 701 MB Not signed
watchOS 3.0 3.0 Global OTA update 910 MB Not signed
watchOS 3.0 3.0 Global OTA update 907 MB Not signed
watchOS 2.2.2 2.2.2 Global OTA update 701 MB Not signed
watchOS 2.2.1 2.2.1 Global OTA update 701 MB Not signed
watchOS 2.2.1 2.2.1 Global OTA update 701 MB Not signed
watchOS 2.2 2.2 Global OTA update 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 (38mm)