Found this hidden gem listed under the Discover category in the Huawei Support app.
My P30 Pro warranty had 3 months left and I got it extended for 6 months
We want to reward all our customers, whether you have an existing smartphone or a new one.
Free 6-Month Warranty Extension
20% off on Spare Parts for Eligible Devices
Free Screen Protector & Free Clean-up Service
Instructions:
1. Open the Support app
2. Under the Discover tab, find and tap on 'Campaign'
3. Scroll down and tap 'Claim Warranty Extension Now'
You can say the same thing about a Pixel phone, or a Huawei phone. However, it's quite a niche (or stupid idea) to use an ARM or x86 Computer without an Internet Connection in this day and age.