I think congested lang ang band, try bandlock/datalock or change to other isp.
Also, just a fun fact,
Ang live service games like ml/codm ay nakadepende sa latency hindi sa network speed, kaya useless din ang high speed ng 5g network.
Budget Meal Powerbank:
Aukey PB-N74S Basix Plus
₱1,500+ or lower with sale + vouchers
20,000 mah, 22.5 watts, qc 3.0
Shopee Link
If meron kana budget for mid range to high end, go for Anker.
Ref: Anker Ph store
Power Banks
Kiwi Browser
Kiwi Browser - Fast & Quiet - Apps on Google Play
Mises Browser
Mises Browser - Apps on Google Play
Lemur Browser
Lemur Browser - extensions - Apps on Google Play
[OpenWrt Wiki] Table of Hardware
Just take note na if you'll choose openwrt, make sure na arm-based na ang bilhin mo. Huwag mips-based cpu. Mahina sa SQM-QoS ang mips.
Or kung may budget ka naman at advanced user ka, go for Mikrotik. Masalimuot...