El móvil de prepago está listo.

In Spain, móvil is the normal everyday word for mobile phone. In many parts of Latin America, people more often say celular.

So:

• el móvil = the mobile phone / cell phone (Spain)
• el celular = the cell phone (common in Latin America)

If you are learning Spanish from Spain, móvil is the most natural choice.

El is the masculine singular definite article, meaning the.

It is used because móvil is a masculine singular noun:

• el móvil
• not la móvil

Spanish uses articles more often than English does, so El móvil de prepago sounds normal and complete. In English, you might sometimes drop the in certain contexts, but in Spanish you usually keep it.

De prepago literally means of prepayment or prepaid in a descriptive sense. In natural English, we would usually say prepaid phone.

In Spanish, de + noun is a very common way to describe something:

• tarjeta de crédito = credit card
• gafas de sol = sunglasses
• teléfono de empresa = company phone
• móvil de prepago = prepaid mobile phone

So de prepago works like a label that tells you what type of mobile phone it is.

Because prepago here is not referring to a specific separate thing. It is part of a descriptive expression: de prepago.

Compare:

• un móvil de prepago = a prepaid mobile phone
• un sistema de pago = a payment system
• una tarjeta de débito = a debit card

In these cases, de + noun functions like a category or type, so no article is needed.

This is a very important ser vs estar point.

• estar listo = to be ready
• ser listo = to be clever / smart

So:

• El móvil de prepago está listo = The prepaid mobile phone is ready.
• El móvil de prepago es listo would sound strange, as if you were saying the phone is clever or intelligent.

Here, está is used because ready is seen as a state or condition.

Here, listo means ready.

But listo can mean different things depending on the verb:

• estar listo = to be ready
• ser listo = to be clever / smart

This is why learners often get confused. The adjective is the same, but the meaning changes with ser and estar.

Because listo agrees with móvil, and móvil is a masculine singular noun.

Agreement in Spanish:

• masculine singular: listo
• feminine singular: lista
• masculine plural: listos
• feminine plural: listas

Examples:

• El móvil está listo.
• La tarjeta está lista.

So the form of the adjective depends on the noun it describes.

Yes, móvil needs the written accent.

Without going too deep into the rules, the stress falls on the first syllable: MÓ-vil. The accent mark shows that stress clearly.

So the correct spelling is:

• móvil

not:

• movil

This is worth memorising, because accent marks in Spanish are part of correct spelling.

Yes, sometimes you may also see prepago used more directly as a descriptive word, especially in commercial or technical language.

For example:

• un móvil prepago
• una tarjeta prepago

But de prepago is very common and natural, and many learners find it easier to understand because the structure is clearer.

Yes. A few natural alternatives are possible depending on context:

• El móvil de prepago ya está listo. = The prepaid phone is ready now / already ready.
• Tu móvil de prepago está listo. = Your prepaid phone is ready.
• El teléfono móvil de prepago está listo. = The prepaid mobile phone is ready.

In Spain, móvil by itself is very common, so El móvil de prepago está listo sounds normal and natural.

It could depend on context.

Grammatically, el móvil de prepago most directly sounds like the prepaid mobile phone itself. But in real life, people sometimes use móvil a bit loosely to talk about the phone together with its SIM, line, or service.

So depending on the situation, it might mean:

• the phone is set up and ready to use
• the prepaid SIM/line is activated
• everything connected with that phone is ready

If a speaker wanted to be more specific, they might say:

• La tarjeta SIM de prepago está lista
• La línea de prepago está activa
• El teléfono ya está configurado

A natural Spain pronunciation would be approximately:

el MÓ-vil de pre-PA-go es-TA LIS-to

A few useful notes:

• móvil is stressed on the first syllable.
• está is stressed on the second syllable.
• In much of Spain, v and b sound very similar.
• The d in de is soft, not a strong English d.

You do not need to pronounce every word separately in a robotic way; Spanish normally flows smoothly: El móvil de prepago está listo.