Just pick this up from HK Records in Pacific Place and you'll be good to go: Hong Kong RECORDS 香港唱片 - BATTLEFIELD 1 (EU)
G2A and PayPal = a dangerous combination.
I keep purchasing game keys for Steam/Origin/Uplay and a few oldies for GOG.
I have only bothered to download and install about a third of my purchases.
TapnGo by HKT/PCCW/CSL may be worthwhile for you?
https://www.tapngo.com.hk/eng/apply.html
Issues you a Prepaid Mastercard that you can topup at any CircleK/7-11 store.