الدعم الفني هيختبر الكابل.

A rough Egyptian pronunciation is:

ed-daʕm el-fanni hayikhtabar el-kabel

A few notes:

• الدعم is usually heard as ed-daʕm, not al-daʕm, because the ل of ال assimilates to د.
• الفني is usually el-fanni.
• هيختبر starts with a future marker, so it sounds like ha- or hay- at the beginning.
• الكابل is commonly pronounced something like el-kabel.

Different Egyptians may pronounce the vowels a little differently, so don’t worry about tiny variations.

Because this is a normal noun + adjective structure in Arabic:

• الدعم = support
• الفني = technical

So together they mean technical support or tech support.

Arabic often builds these expressions with a noun followed by an adjective, rather than making one compound word.

Because in Arabic, adjectives usually match the noun they describe in definiteness.

So if the noun is definite:

• الدعم = the support

then the adjective also has to be definite:

• الفني = the technical

That gives الدعم الفني = the technical support.

This is very normal in Arabic grammar.

Because د is a sun letter. When ال comes before a sun letter, the ل sound disappears in pronunciation and the next consonant gets doubled.

So:

• الدعم is written with ال
• but pronounced roughly ed-daʕm

By contrast, ف in الفني is not a sun letter, so the l sound stays: el-fanni.

هيختبر can be understood as:

• هـ = future marker, meaning will
• يختبر = the imperfect verb he/it tests

So together:

• هيختبر = he/it will test

In this sentence, the subject is الدعم الفني, so the meaning is technical support will test.

In Egyptian Arabic, هـ or حـ is commonly used to mark the future.

So:

• يختبر = he/it tests
• هيختبر = he/it will test

This future marker is usually attached directly to the verb in writing.

Because بيـ and هـ/حـ do different jobs in Egyptian Arabic.

• بيختبر usually refers to the present or a habitual action
• هيختبر refers to the future

So if you want will test, you use the future marker, not بيـ.

Because الدعم الفني is treated as a singular masculine subject.

The verb form يختبر is the third-person masculine singular imperfect, and that matches the subject.

Even though technical support may refer to a department or team in English, in Arabic the phrase itself is grammatically singular here.

Yes. This sentence uses:

Subject + Verb + Object

• الدعم الفني = subject
• هيختبر = verb
• الكابل = object

This word order is very common in Egyptian Arabic, especially in everyday speech.

Because it refers to a specific cable: the cable.

So:

• الكابل = the cable
• كابل = a cable

If the speaker means a particular cable that both people know about, the definite form is natural.

It’s a borrowed word, and that’s very common in technical language.

In Egyptian Arabic, especially in tech contexts, people often use loanwords like كابل for cable. That sounds normal and natural.

Depending on context, you might also hear other words such as سلك, but that can mean wire and is not always exactly the same thing as cable.

Yes. In Egyptian Arabic, the future marker is often written either as هـ or حـ.

So you may see:

• هيختبر
• حيختبر

Both represent the same basic idea: will test.

Spelling in colloquial Arabic is less standardized than in Modern Standard Arabic, so small writing differences like this are common.