الراوتر مش هيشتغل الا لو الفني يفعل الاشتراك.

It breaks down like this:

• مش = colloquial negation, here meaning not / won’t
• هيشتغل = will work / will operate

So مش هيشتغل means won’t work, won’t operate, or in context even won’t come online.

This is a very common Egyptian way to negate the future.

No. Here هيشتغل is not the pronoun هي.

It is really:

• هـ = future marker
• يشتغل = he/it works

So:

• هـ + يشتغل = هيشتغل
• meaning he/it will work

Because the subject is الراوتر, the verb is 3rd person masculine singular: Arabic treats router as a singular masculine noun by default.

يشتغل comes from اشتغل.

With people, it can mean:

• to work
• to be working
• to have a job

With devices or machines, it usually means:

• to work
• to function
• to run
• to operate

In this sentence, since the subject is الراوتر, it clearly means to function / operate.

It can be understood as either, depending on how you translate it into natural English.

Literally, إلا لو is something like except if.
In a negative sentence like this:

• مش هيشتغل إلا لو...

the most natural English is usually:

• won’t work unless...
• or will only work if...

So both ideas are there.

Yes, almost certainly.

In normal unvowelled Arabic typing, short vowels and shadda are usually not written. So يفعل on the page may actually be intended as:

• يفعّل

In this sentence, that makes much more sense, because the meaning is activate the subscription.

So the intended reading is likely:

• الفني يفعّل الاشتراك
• the technician activates the subscription

If someone read it as plain يفعل without the doubled consonant, it would sound odd here.

Good question. In Egyptian Arabic, بـ often marks the regular present or habitual:

• بيفعّل = he activates / he is activating in ordinary present use

But after conditional words like لو, Arabic often uses the bare imperfect instead of بيـ.

So after لو, a form like يفعّل is not surprising.

Very colloquial speech can vary, and speakers may also rephrase the whole clause, for example:

• إلا لما الفني يفعّل الاشتراك
• غير لما الفني يفعّل الاشتراك

Those are often very natural in Egyptian too.

الفني means the technician.

The word فني can mean:

• technical
• technician

In this sentence, it is clearly a noun: the technician, meaning the tech support person, installer, or service technician.

Because Arabic often uses the definite article where English might not.

Here الاشتراك refers to the specific service/subscription connected with that router or account. So it means something like:

• the subscription
• the service
• the account activation

In telecom/internet contexts, اشتراك often means a service subscription, not just a generic abstract subscription.

It is understandable, but it feels a bit mixed in style.

What sounds clearly Egyptian here:

• مش
• هيشتغل

What feels a bit more neutral or semi-written:

• إلا لو
• يفعّل الاشتراك as written in this style

A very natural Egyptian version might be:

• الراوتر مش هيشتغل إلا لما الفني يفعّل الاشتراك.
• الراوتر مش هيشتغل غير لما الفني يفعّل الاشتراك.

So the original sentence is fine for understanding, but many speakers would phrase it a little differently in everyday speech.

Because in informal typing, people often leave out the hamza spelling.

So:

• standard spelling: إلا
• casual spelling: الا

They mean the same thing here. The standard written form is إلا.

Because in Egyptian Arabic, subject + verb order is very common, especially in everyday speech and in subordinate clauses.

So:

• الفني يفعّل الاشتراك = very natural colloquial order

A more formal or literary style might more often use:

• يفعّل الفني الاشتراك

Both are understandable, but the subject-first order fits spoken Egyptian well.

A rough pronunciation would be:

• ir-rāwter mish hayishtighal illa law il-fanni yfaʕʕal il-ishtirāk

A few notes:

• exact vowels vary by speaker
• يفعل here is best understood as يفعّل
• in fast speech, some sounds may get reduced

So the main thing to hear is:

• mish hayishtighal = won’t work
• illa law = unless / only if
• il-fanni yfaʕʕal il-ishtirāk = the technician activates the subscription