صاحبتي معاها تليفون جديد.

It can mean either one, depending on context.

In Egyptian Arabic, صاحبتي often means:

• my female friend
• my girlfriend

The word itself does not always make the difference clear. The situation, tone, and surrounding conversation usually tell you which meaning is intended.

It is formed from:

• صاحبة = female friend / female companion
• -ي = my

When a possessive suffix is added, the feminine ending ـة becomes ت, so صاحبة + ي becomes صاحبتي.

Because Egyptian Arabic often expresses possession without a verb like English have.

Instead of saying something like my friend has a new phone, Arabic often says something closer to:

• my friend, with her, a new phone

So صاحبتي معاها تليفون جديد is a completely normal sentence in Egyptian Arabic.

This is part of a common Arabic pattern:

• معايا = I have / with me
• معاك = you have / with you
• معاه = he has / with him
• معاها = she has / with her

So yes, it is a full sentence even though there is no separate verb for has.

معاها literally means with her.

It is made of:

• معا = with
• ها = her

In Egyptian Arabic, this is a very common set of forms:

• معايا = with me
• معاك = with you
• معاه = with him
• معاها = with her
• معانا = with us

So in this sentence, معاها تليفون جديد literally means with her is a new phone, and naturally in English that becomes she has a new phone.

Yes, that is also natural Egyptian Arabic.

Both معاها and عندها can mean she has.

A rough difference is:

• معاها often suggests she has it with her / in her possession
• عندها can be broader, more like she has / she owns / she’s got

In many everyday situations, though, the two overlap a lot, and both would sound normal.

So:

• صاحبتي معاها تليفون جديد
• صاحبتي عندها تليفون جديد

Both can mean my friend has a new phone.

Because in Arabic, adjectives usually come after the noun they describe.

So:

• تليفون جديد = a new phone

not the other way around.

Also, the adjective agrees with the noun. Here:

• تليفون is masculine singular
• جديد is also masculine singular

If the noun were definite, the adjective would also be definite:

• التليفون الجديد = the new phone

That matching is very important in Arabic.

Arabic does not have a separate indefinite article like English a/an.

So:

• تليفون can mean a phone or just phone, depending on context
• التليفون means the phone

That means تليفون جديد naturally means a new phone.

So the absence of الـ is what makes it indefinite.

Because in Egyptian Arabic, the letter ج is usually pronounced like g in go, not like the j sound in English jam.

So:

• جديد in Egyptian Arabic is usually pronounced gidīd or gideed

In Modern Standard Arabic and some other dialects, you may hear:

• jadīd

So if you learned the word as jadeed, that is not wrong in a broader Arabic sense, but in Egyptian speech gideed is the normal pronunciation.

You just change the noun or pronoun.

For a male friend:

• صاحبي معاه تليفون جديد = my male friend has a new phone

Without my friend:

• هي معاها تليفون جديد = she has a new phone
• هو معاه تليفون جديد = he has a new phone

This is a useful pattern to learn:

• معايا = I have
• معاك / معاكي = you have
• معاه = he has
• معاها = she has

So once you know the pattern, you can make many similar sentences very easily.