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White SIM Card

White SIM Card is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand White SIM Card rather than just read about it. In short: White SIM card (Persian: سیم‌کارت سفید) is a term used in Iranian media discourse and social networks to refer to a type of special internet access without filtering in Iran. The label is attributed to SIM cards or connections that allow the use of the internet without the restrictions normally applied to ordinary users.

Key takeaways

  • White SIM Card belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect White SIM Card to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of White SIM Card from memory before moving on to harder problems.

Reference excerpt

White SIM card (Persian: سیم‌کارت سفید) is a term used in Iranian media discourse and social networks to refer to a type of special internet access without filtering in Iran. The label is attributed to SIM cards or connections that allow the use of the internet without the restrictions normally applied to ordinary users. Such access is alleged to be granted to certain pro-government individuals or governmental bodies. The term is usually raised in discussions related to "class-based Internet", a concept referring to differences in the level of internet access among different users. However, "white SIM card" is not an official or technical designation in operator documents or telecommunications regulations, and is instead used mainly as a media or colloquial expression to describe such forms of access.

Origin The wave of SIM cards without filtering is said to have begun during the second administration of Hassan Rouhani. In September 2019, the Minister of Communications Mohammad-Javad Azari Jahromi stated "The level of internet access of a physician or a university professor should not be equal to that of a child." During the same period, a special internet connection was offered to journalists so they could connect to the network with greater freedom, although a significant number of journalists refused to use it. At the time, their access to the global internet was unlimited and unfiltered, and it remained active even during the nationwide internet shutdown in Iran in 2019. With the establishment of the Ebrahim Raisi administration in 2021, a significant portion of these white SIM cards were reportedly deactivated. In 2022, a plan called "launch" was implemented at Sharif University of Technology, which divided students and faculty into seven groups based on academic standing and differentiated their access levels; in June 2023, a proposal was raised to provide tiered internet access to professors and university faculty members. Following the start of the Iran–Israel war, requests to convert SIM cards to "white" status reportedly increased significantly. According to unofficial statistics, by December 2025 approximately 50,000 unfiltered SIM cards were active in Iran.

Position in class-based internet

The term "white SIM card" is frequently mentioned within the broader discussion of class-based internet in Iran, a system publicly introduced by authorities in May 2025 to allow designated users to access the internet without government filtering. Critics state that providing unrestricted access to a limited group constitutes a form of unequal treatment and conflicts with principles of equitable access to information and digital services.

Usage White SIM cards are said to have the following features:

Providing access to the Internet without filtering or with far fewer restrictions than those applied to ordinary users; Access being linked to the holder’s registered identification code; The ability to access the internet even during disruptions or periods of widespread public network shutdown; Inclusion in a list managed by operators or internet providers and typically allocated to "trusted" individuals.

Emergence in Iran On 25 November 2025, X (formerly Twitter) introduced a feature that allows users to see the country where an account is located. The feature led to controversy after several accounts linked to the government appeared to access the platform from Iran without signs of virtual private network use. The platform is normally blocked in Iran and typically requires tools that change the IP address to access it. The issue drew public attention, Some of the individuals involved had previously supported policies that restrict internet access in Iran. After this information was published, individuals linked to the government issued public apologies. Some journalists, media figures, and politicians who had benefited from privileged internet access apologized and asked for their SIM cards to be returned to "normal" status. Among them was Saeed Jalili, who was reported to be one of the individuals with privileged access while also supporting restrictive internet policies. According to reports, more than 50,000 "white SIM cards" exist in Iran.

Media coverage The term became widely discussed in the 2020s on Iranian social media and drew increased attention during periods of nationwide internet disruption or restriction, such as the internet shutdowns in Iran in 2025 and 2026. Reports have pointed to the unrestricted activity of some accounts as evidence of such access.

Notable figures with white SIM cards Some notable individuals reported to have white SIM cards include:

See also Internet censorship in Iran Mobile Communications of Iran MTN Irancell Smart card

References

Worked examples

Example 1 — a first encounter with White SIM Card

Start with the simplest possible case. Write down what White SIM Card claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to White SIM Card before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about White SIM Card ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of White SIM Card

In research
White SIM Card appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses White SIM Card in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
White SIM Card is common in secondary-school and first-year university syllabi. It links to neighbouring topics Censorship in Iran, Internet censorship in Iran, Internet in Iran, so understanding it makes those chapters shorter.
In everyday life
Look for White SIM Card outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study White SIM Card in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what White SIM Card means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain White SIM Card out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is White SIM Card in simple terms?

White SIM card (Persian: سیم‌کارت سفید) is a term used in Iranian media discourse and social networks to refer to a type of special internet access without filtering in Iran. The label is attributed to SIM cards or connections that allow the use of the internet without the restrictions normally app…

Why does White SIM Card matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study White SIM Card?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on White SIM Card.

Tags

  • Censorship in Iran
  • Internet censorship in Iran
  • Internet in Iran
  • Smart cards
  • Telecommunications in Iran

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