No. Unlocking only changes software permissions. Your speed remains the same, but latency may improve by disabling SIP ALG.
Resources and community help (search terms to use) huawei hg8145v5 unlock 2021
If these don't work, some 2021 firmware versions use specific ISP defaults like epadmin with admin as the password. Step 2: The "Whitelisting" Workaround huawei hg8145v5 unlock 2021