Why do Claro vendors give out already pre-registered SIM cards for free in Peru?

I read on https://prepaid-data-sim-card.fandom.com/wiki/Peru (mirror):

In spite of this, visitors can't help notice there is still a very visible black market on many market streets of Lima, Cusco and other towns for already pre-registered SIM cards called chips. They are sold for as low as S./5 and Claro vendors even sell them for free. The ambulantes (street vendors) can be easily spotted for their vests with the logos of the providers and some of them even hold up signs (see details in this report in Spanish).

Why do Claro vendors give out pre-registered SIM cards for free? Do those SIM cards have nothing by default (no text, no call, no data)?

cellphones peru

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Why do Claro vendors give out already pre-registered SIM cards for free in Peru? - Pink Tulip Flower Bouquet Near Black Telephoto Lens and Silver Computer Keyboard

Why do Claro vendors give out already pre-registered SIM cards for free in Peru? - Sale Cards on Beige Background

Why do Claro vendors give out already pre-registered SIM cards for free in Peru? - Positive adult ethnic couple in casual clothes giving high five to each other while resting on bed in small bedroom with sticking out pipe

Is there a SIM card that works all over the world?

TravelSIM offer a prepaid international SIM card that offers plans for calls, texts and data, works in 170+ countries worldwide and can reduce your roaming costs by up to 85%. All TravelSim SIM cards are triple-punched, fit all phones and tablets, and come with an Estonian (+372) European number.

How do I check my data usage on Claro Peru?

Check data balance by *122#.

How do I get data in Peru?

Claro, Movistar, Bitel, and Entel are the dominant communication providers in Peru. All offer a variety of mobile phone and home internet plans, but buying a prepaid SIM card (with no contract) is generally the best option for foreign travelers in Peru.

Where can I buy a SIM card in Lima?

Where Can You Buy a SIM Card in Peru? You can get a Peruvian SIM card in Movistar, Claro, Entel & Bitel stores and third-party stores, including kiosks, pharmacies & grocery stores. It is also possible to get SIM cards at Lima-Jorge Ch\xe1vez International Airport (Claro only) at an inflated price.

TOURISTS CAN'T ACTIVATE SIM CARDS (legally) IN BRAZIL! HOW TO HAVE INTERNET IN BRAZIL THEN?!

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