Si el probador está lleno, esperaré fuera y miraré el móvil un momento.

In Spain, probador means a fitting room / changing room in a clothes shop.

A few useful related points:

• el probador = the fitting room
• los probadores = the fitting rooms
• It usually refers to the place where you try clothes on
• It is different from vestuario, which is more like a changing room/locker room in places such as gyms, pools, or theatres

So in a shop context, probador is the normal word.

Because after si meaning if, Spanish normally uses the indicative, not the subjunctive, when the condition is real or possible.

So this pattern is standard:

• si + present indicative + future
• Si está lleno, esperaré fuera.

That means: if it is full, I will wait outside.

Common learner mistakes are:

• si esté lleno ❌
• si estaría lleno ❌

Those are not correct here.

A good model to remember is:

• Si tengo tiempo, iré. = If I have time, I’ll go.
• Si llueve, me quedaré en casa. = If it rains, I’ll stay home.

They are both in the simple future.

• esperaré = I will wait
• miraré = I will look / I will check
• -é is the first-person singular future ending

They come from:

• esperar
  • é → esperaré
• mirar
  • é → miraré

Spanish forms the simple future by adding endings directly to the infinitive:

• esperar → esperaré, esperarás, esperará...
• mirar → miraré, mirarás, mirará...

In everyday speech, Spanish also often uses ir a + infinitive:

• voy a esperar
• voy a mirar el móvil

But the simple future here is perfectly natural.

Because Spanish often leaves out subject pronouns when the verb ending already makes the subject clear.

Here:

• esperaré already means I will wait
• miraré already means I will look/check

So yo is not necessary.

You could say:

• Si el probador está lleno, yo esperaré fuera...

But that would usually add emphasis or contrast, as if you were saying:

• I’ll wait outside (not someone else)

In normal neutral Spanish, leaving out yo is more natural.

Yes, you could also say ocupado, and in many situations it may sound more natural.

The difference is roughly:

• lleno = full
• ocupado = occupied / in use

With a fitting room, many speakers would naturally say:

• Si el probador está ocupado...

That clearly means the fitting room is being used.

Está lleno is still understandable, especially if the idea is that the fitting-room space is full or unavailable. But if you want the most straightforward occupied meaning, ocupado is a very good alternative.

Both can mean outside, but fuera is very common in Spain and fits this sentence naturally.

• esperaré fuera = I’ll wait outside

A few notes:

• fuera is very common in Spain
• afuera is also correct, but is often more common in many parts of Latin America
• In this sentence, fuera sounds simple and natural

So:

• Esperaré fuera ✅
• Esperaré afuera ✅

Both are possible, but fuera is especially expected in Spain-focused Spanish.

Because mirar is the normal everyday verb for look at / check in this context.

In Spain, mirar el móvil often means:

• look at your phone
• check your phone
• glance at your phone

That is very idiomatic.

By contrast:

• ver is more like see or sometimes watch
• ver el móvil is less natural here

So if someone is waiting and casually checking their phone, mirar el móvil is exactly the kind of phrase you would expect.

Because Spanish often uses the definite article where English would use a possessive, especially when the ownership is obvious from the situation.

Here, if someone says they are going to wait and check the phone, it is obvious they mean their own phone, so Spanish can simply say:

• mirar el móvil

This is very natural and idiomatic.

You can also say:

• mirar mi móvil

But that sounds a bit more explicit. You might use mi if you want to stress that it is your phone and not someone else’s.

So both are possible, but el móvil is very normal.

No. Móvil is especially common in Spain.

So in Spain:

• el móvil = the mobile phone / cell phone

In much of Latin America, people more often say:

• el celular

So a Latin American version might sound like:

• Si el probador está ocupado, esperaré afuera y miraré el celular un momento.

Since your sentence is specifically Spain Spanish, móvil is the expected word.

Here un momento means something like:

• for a moment
• for a bit
• briefly

Spanish often uses a bare time expression without a preposition in this kind of sentence.

So these are natural:

• espera un momento
• siéntate un rato
• miraré el móvil un momento

That is just a normal Spanish structure.

You could sometimes use por un momento, but here that would not be the most natural choice. Un momento on its own sounds more everyday and idiomatic.

Because the sentence begins with a conditional clause:

• Si el probador está lleno

When a clause like that comes first in Spanish, it is normally followed by a comma before the main clause:

• Si el probador está lleno, esperaré fuera...

This works much like English.

If you reverse the order, the comma is often not used:

• Esperaré fuera y miraré el móvil un momento si el probador está lleno.

So the comma is there because the if-clause comes first.

They show where the stress goes and, in some cases, help distinguish forms.

In this sentence:

• está → stress on the last syllable
• esperaré → stress on the last syllable
• miraré → stress on the last syllable
• móvil → stress on the first syllable

So the accents help pronunciation:

• es-TÁ
• es-pe-ra-RÉ
• mi-ra-RÉ
• MÓ-vil

For a learner, these accents are worth paying attention to because they are not optional in writing.