Download IPSW Firmware for iPhone, iPad & Apple Devices | IPSW.us

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Download 14.3 (18C66) for iPhone XS

Version: 14.3
Build: 18C66
Signed: No
Size: 5.92 GB
Release Date: 2020-12-14 17:59:59
Upload Date: 2020-12-09 02:06:18
SHA1: 2938954dd34ecdd9aab2d10bae05524a3b634f4b
MD5: 2087e626b6f7de85d1848adec262bb3c
SHA256: cd08c22a4cc2e234b9fabd1dcd6e752b5eb689cad6afef0b8e44e2861cbaeed2

Secure download directly from Apple’s servers

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Install IPSW Firmware

A simple guide designed to help you install firmware manually while keeping your data secure and process smooth.

Step 3

Disable Find My Feature

Turn off Find My from settings before installation, otherwise the system may block firmware changes due to built-in security restrictions.

Step 4

Apply the IPSW File

Open Finder or iTunes, select the firmware file manually, and begin installation using the correct key combination for your operating system.

Step 5

Recover Your Data

After installation completes, restore your saved backup to bring back your apps, files, and settings without losing important personal information.

Step 1

Secure your data

Create a complete backup using iCloud or a computer before starting, so your files, apps, and personal data remain fully protected.

Step 2

Link Your Device Properly

Connect your device to a computer with a trusted cable so the connection stays stable and the installation continues without unexpected interruptions.
IPSW has supported iOS users from the beginning by providing reliable firmware downloads, update guidance, and practical troubleshooting help. As its audience grows worldwide, more users depend on it for clear and easy-to-follow solutions. The platform focuses on simplifying complex processes and sharing accurate, updated information so users can manage their devices with confidence.
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