لما ما عرفت الطريق، طلعت على الخريطة عالتلفون.

Here لما means when. It introduces the situation that happened first:

• لما ما عرفت الطريق = when I didn’t know the way / when I couldn’t figure out the route

In Levantine, لما is very common in everyday speech for past-time narration.

Because the speaker is talking about a specific past situation, not a general present fact.

• ما عرفت الطريق = I didn’t know / couldn’t figure out the way in that moment
• ما بعرف الطريق = I don’t know the way in general, or in the present

A learner might also hear ما كنت بعرف الطريق, which means I didn’t know the way with more of an ongoing-background feeling. In this sentence, ما عرفت fits the sequence of events well.

The verb عرف can cover several related ideas:

• to know
• to recognize
• to find out / figure out

In this sentence, ما عرفت الطريق most naturally means something like:

• I didn’t know the way
• I couldn’t figure out the route

So it is not just abstract knowledge; it is about being unable to identify the right way.

Because Arabic usually does not need subject pronouns when the verb already shows the subject.

• عرفت = I knew / I found out
• طلعت = I looked / checked / went onto

The -ت ending in the past tense already tells you it is I.
You can add أنا for emphasis, but it is not necessary.

Literally, the root can relate to going up / coming out / appearing, but in Levantine طلع على is also used idiomatically to mean:

• to look at
• to check
• to pull up
• to go onto something, especially a screen, map, page, or app

So طلعت على الخريطة means something like:

• I checked the map
• I pulled up the map
• I looked at the map

This is a very natural spoken usage.

Because in Levantine, طلع على is a common expression meaning to look at / check something.

So:

• طلعت على الخريطة = I checked the map

It may feel unusual if you expect a verb directly followed by the object, but this preposition is part of the expression.

This second على has a different job: it means on the phone, meaning on the device.

So the structure is:

• طلعت على الخريطة = I checked the map
• عالتلفون = on the phone

Together, the idea is I checked the map on my phone.

عالتلفون is the spoken contraction of على التلفون.

This happens very often in Levantine:

• على + الـ often becomes عالـ

So:

• على التلفون → عالتلفون
• على الخريطة can also be pronounced smoothly as عالخريطة in fast speech

Also, because ت is a sun letter, the ل of الـ is not fully pronounced, so learners often hear something like عت-تلفون in actual speech.

Arabic often uses the definite article الـ where English might or might not use the.

Here:

• الطريق = the way / the road / the route
• الخريطة = the map

In context, both are specific enough:

• the route the speaker was trying to follow
• the map they checked

So the definite forms sound natural.

طريق can be treated as masculine or feminine in Arabic, depending on region and usage. In many spoken contexts, both are heard.

In this sentence, it does not affect anything important, because there is no adjective or verb form here that shows agreement with الطريق.

So for this sentence, you do not need to worry about it.

Yes. In the past tense, first person singular is the same for both genders.

So both a male speaker and a female speaker can say:

• عرفت
• طلعت

There is no gender difference here.

Yes, the sentence is natural, but there are many everyday alternatives. For example:

• فتحت الخريطة عالتلفون = I opened the map on the phone
• تطلعت عالخريطة عالتلفون = I looked at the map on the phone
• طلعت عالخريطة بالموبايل = I checked the map on the mobile

You may also hear موبايل more often than تلفون, depending on the speaker. But the original sentence is perfectly understandable and natural Levantine.