IGW500-100/100-P & IGW500-200/200-P
![note](/storage/images/Document/Maipu/note-icon.jpg)
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If the current version of the device is 8.3.1.5 or greater, you only need to complete Step 2.
Step 1: Upgrade system image (.pck format)
![upgrade system image](/storage/images/Document/Maipu/igw500/system-image.jpg)
![note](/storage/images/Document/Maipu/note-icon.jpg)
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The pck image name of IGW500-100/100-P & IGW50-200/200-P series is wp11-ghw-xxx.pck.
- Restarting device after the upgrade is complete.
![restart device](/storage/images/Document/Maipu/igw500/restart-1.jpg)
Step 2: Upgrade package (.pkg format)
![upgrade package](/storage/images/Document/Maipu/igw500/upgrade-package-1.jpg)
![note](/storage/images/Document/Maipu/note-icon.jpg)
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The pkg package name of IGW500-100/100-P series is wp11-ghw-xxx-100-001.pkg.
- The pkg package name of IGW500-200/200-P series is wp11-ghw-xxx-200-001.pkg.
- Restarting device after the upgrade is complete.
![restart device](/storage/images/Document/Maipu/igw500/restart-2.jpg)
Step 3: Factory Reset
Default configuration and web GUI after version 8.3.1.5 has changed a lot, so be sure to execute "Factory Recovery" after the upgrade.
![factory reset](/storage/images/Document/Maipu/igw500/factory-1.jpg)
![note](/storage/images/Document/Maipu/note-icon.jpg)
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Device will restart automatically.