# MT4 & MT5 technical services

Choose source recovery, program repairs, migration, custom EAs and indicators or diagnostics.

URL: https://mqlfix.top/services/
Language: en
Updated: 2026-11-11

SERVICES / THE RIGHT START

Start with the outcome you need.

Tell us what you have and what you want to change. We will separate the tasks and define the quote.

MT4 / MT5

Six ways we can help.

01 / MT4

EX4 to MQ4 recovery

MT4 indicators and Expert Advisors. Start with the original file and a clear delivery request.

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02 / MT5

EX5 to MQ5 recovery

MT5 source-recovery assessment with a defined scope, dependency list and verification process.

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03 / REPAIR

License & expiry issues

Account binding, expiry messages and activation problems: define the issue and the permitted repair.

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04 / MIGRATION

MT4 to MT5 conversion

Port MQL4 source to MQL5 and verify the behavior that matters to your workflow.

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05 / BUILD

Custom EAs & indicators

Turn an explicit trading or display specification into software you can test and maintain.

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06 / VERIFY

Diagnostics & behavior checks

Investigate errors, indicator differences and EA behavior using repeatable evidence.

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YOUR NEXT STEP

Have a file or an idea? Start here.

Tell us your platform, your file and the result you need. We will confirm the scope before you commit.

Request a free assessment →

Contact: https://t.me/alonginchina
Email: power.yang.china@gmail.com