When QUIC protocol is enabled connection is very slow

[Batman2814]

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• [X] I checked the knowledge base and found no answer
• [X] I checked to make sure that this issue has not already been filed

AdGuard VPN version

Version 2.11 Nightly 4

Operating mode

Integration with AdGuard

Which DNS server do you use?

Custom DNS

DNS protocol

DNS-over-QUIC

Custom DNS

No response

Environment

- OS: Android 14 One UI 6.1
- Device:Samsung Galaxy S24 Ultra

Root access

• [ ] yes, I have it

Issue Details

Steps to reproduce:

1. Switch AdGuard VPN Protocil to QUIC in AdGuard VPN for Android
2. Might have to wait a while before it starts to show slow connections and slow loading images

Expected Behavior

Should be fast connections when using QUIC

Actual Behavior

Slow speeds when using QUIC protocol in adguard vpn for Android with sometimes not loading at all.

Screenshots

No response

Additional Information

No response

[Batman2814]

Logs have been sent

[maxikuzmin]

@Batman2814 how often does the problem recur? Is the connection slow for a long time or does the connection normalize later? If you have to wait a while for the problem to recur, does that mean the connection speed is normal at first?