Cookie policy

Six cookies, all of them ours, all of them either essential or a preference you set yourself. No advertising cookies and no third-party analytics.

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SAIMING INC., trading as SAIMING.

What cookies are

A cookie is a small file a website asks your browser to store and send back on later requests. It is how a site remembers that you are signed in, or that you chose dark mode, across page loads.

The same rules cover related technologies such as local storage. Where we use those, we describe them here as if they were cookies.

How we use them

Narrowly. We use cookies to keep you signed in, to remember two display preferences, and for nothing else.

  • We do not use advertising or retargeting cookies.
  • We do not embed third-party analytics or social media trackers.
  • We do not sell or share cookie data with anyone.

The complete list is below. If you find a cookie on this site that is not on it, that is a bug and we would like to hear about it.

Every cookie we set

All of these are first-party cookies, set by this site on this domain. Session cookies are removed when you close your browser; the rest expire on the schedule shown.

Why the sign-in cookies are unreadable to scripts

The four authentication cookies are marked HttpOnly, which means JavaScript on the page cannot read them. That is a deliberate defence: it means a cross-site scripting flaw could not steal your session.
  • sm_at

    Keeps you signed in between requests.

    Category
    Strictly necessary
    Expires
    With the sign-in session
    Flags
    HttpOnly
  • sm_rt

    Renews your sign-in without asking for your password again.

    Category
    Strictly necessary
    Expires
    With the sign-in session
    Flags
    HttpOnly
  • sm_at_exp

    Records when the sign-in token expires, so it can be renewed just in time.

    Category
    Strictly necessary
    Expires
    With the sign-in session
    Flags
    HttpOnly
  • sm_rt_exp

    Records when the renewal token expires.

    Category
    Strictly necessary
    Expires
    With the sign-in session
    Flags
    HttpOnly
  • sm_locale

    Remembers the language you chose.

    Category
    Preferences
    Expires
    1 year
    Flags
    Readable by the page
  • sm_theme

    Remembers whether you chose light, dark or system appearance.

    Category
    Preferences
    Expires
    1 year
    Flags
    Readable by the page

The categories in plain terms

Strictly necessary
Required for the site to function and for you to stay signed in. They are set because you asked for a service that cannot work without them. Blocking them means you cannot sign in, order, or view your eSIM.
Preferences
Remember a choice you made — your language and your light or dark theme. Blocking them means the site forgets those choices between visits. Nothing else breaks.
Analytics
We do not currently set any. If that changes we will list them here and ask for consent first where the law requires it, rather than adding them quietly.
Advertising
We do not set any, and we have no plans to.

Third parties

Paying for a plan sends you to our payment provider’s own hosted checkout page. Any cookies set there are set on their domain, by them, under their cookie and privacy policies. We cannot read them and they are not covered by this policy.

When you return to our site after paying, you are back under this policy again.

We do not embed third-party fonts, maps, videos or social widgets that would set cookies on your behalf. Our typeface is served from our own servers precisely so that loading a page does not tell anyone else you did.

Controlling cookies yourself

Every major browser lets you see the cookies a site has set, delete them, and block future ones. The controls live in the privacy or site-settings section of your browser, and they work on us whatever this page says.

  • Blocking the preference cookies is harmless. The site reverts to your browser language and system theme on each visit.
  • Blocking the authentication cookies prevents signing in. Browsing plans, coverage and this help content still works.
  • Deleting cookies signs you out. Your account and your eSIMs are unaffected.

Do Not Track and Global Privacy Control

We do not track you across other websites, so a Do Not Track or Global Privacy Control signal has nothing to switch off here. We mention it because saying nothing would leave you guessing.

Changes to this policy

If we add or remove a cookie, this list changes with it and the date at the top is updated. Adding a category we do not currently use would be a material change, and we would say so directly.

If anything here is unclear, or you need the position on an order you have already placed, contact us directly rather than guessing.

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