Comprehensive technical knowledge base covering 12 GSMA eSIM specifications. 84+ articles on Remote SIM Provisioning — SGP.02, SGP.22, SGP.32, SGP.41, SGP.29, SGP.23, SGP.25, SGP.26 and more.
The same eSIM concepts, told through stories, analogies, and hand-drawn illustrations. Perfect for visual learners, younger readers, or anyone who wants the intuition before the technical detail.
📖 Reading: Illustrated · Switch to Technical →
51 illustrated books: scroll through each one like a real book. Every page has custom SVG illustrations.
| # | Storybook | What It’s About |
|---|---|---|
| 00 | The Robot Fleet Commander | Push model: why M2M robots needed their own eSIM system |
| 01 | Six Special Helpers | The M2M team: EUM, CI, SM-DP, SM-SR, Operator, Fleet Owner |
| 02 | Inside the Robot’s Vault | ECASD, ISD-R, ISD-P: the chip’s internal rooms |
| 03 | The Robot ID System | Three-tier PKI: how M2M certificates work |
| 04 | Secret Robot Messages | SMS, PSK-TLS, CAT_TP: how the commander talks to robots |
| 05 | Mission Orders Delivered | Profile download: triple-locked boxes and SCP03 |
| 06 | The Robot Remote Control | Enable, disable, delete: controlling profiles from afar |
| 07 | Changing Commanders | SM-SR Change: handing over the fleet |
| 08 | Emergency Plans | Fall-back, emergency, and test profiles |
| 09 | The Robot Rulebook | POL1, POL2, and notification report cards |
| 10 | How All the Helpers Talk | ES1-ES7: all the secret languages |
| 11 | Three Kinds of eSIM | SGP.02 vs SGP.22 vs SGP.32 comparison |
| # | Storybook | What It’s About |
|---|---|---|
| 00 | The Magic Key Delivery | What is an eSIM? How keys arrive over the internet |
| 01 | The Dream Team | Meet the five helpers: Vault, Key Maker, Notifier, Assistant, Carrier |
| 02 | The Tiny Apartment Building | Inside the chip: locked rooms, managers, and the foundation |
| 03 | The Secret Spy Mission | Three-phase profile download: order, handshake, delivery |
| 04 | The ID Badge System | How certificates and signatures keep eSIMs secure |
| 05 | The Magic Backpack | Switching between profiles like changing invisible cloaks |
| 06 | The Secret Languages | ES2+, ES9+, ES8+, ES10x: how the helpers talk |
| # | Storybook | What It’s About |
|---|---|---|
| 07 | Tiny Robots Need Special eSIMs | Why IoT devices needed their own architecture |
| 08 | Mission Control | The remote command centre and on-board translator |
| 09 | Permission Slips | Direct vs. indirect profile delivery for sleepy devices |
| 10 | Secret Handshakes for Robots | DTLS, certificates, and how robots stay secure |
| 11 | The Trusted Friends List | How the chip knows who to take orders from |
| 12 | Report Cards and Undo | Notifications, errors, and the magical undo button |
| 13 | The Morning Routine | How an IoT device boots up and checks in |
| 14 | The Magic Remote Control | Remote profile management across the planet |
| 15 | The Post Office | Message boards where profiles wait for sleepy devices |
| 16 | Superhero Utility Belt | The four interfaces: ESipa, ES9+’, ES11’, ESep |
| # | Storybook | What It’s About |
|---|---|---|
| 52 | The Big Team-Up | How consumer phones and IoT robots joined forces under one spec |
| 53 | Wearing Two Invisible Cloaks | How one phone can be on two networks at once (MEP) |
| 54 | The Magic Doorbell | How your phone gets push notifications without polling |
| 55 | The Secret Handshake | How eSIM devices agree on what features they share |
| 56 | Old Magic Meets New Magic | How old and new eSIM versions work together |
| 57 | The Magic Remote Control | How carriers manage your keys from far away |
| 58 | Moving to a New Vault | How your secret keys move safely to a new phone |
| 59 | Teaching Old Vaults New Tricks | How eSIM chips learn and grow over time |
| 60 | The Great Key Delivery | How your phone gets its secret internet key |
| 61 | The Unbreakable Envelope | How your secret key stays safe while travelling |
| 62 | The Vault’s Rulebook | Who can do what to your secret keys |
| 63 | Your Work Keycard | How work and personal keys live together |
| # | Storybook | What It’s About |
|---|---|---|
| 47 | Magic Keys Built Right In | How eSIM keys are installed right at the factory |
| 48 | The Factory Team | Meet the Key Makers and robots on the assembly line |
| 49 | From Factory Floor to Your Pocket | The journey from factory loading to first use |
| 50 | Factory Secrets | How keys stay secure during factory loading |
| 51 | Who Uses Factory Keys? | Cars, laptops, smartwatches, and millions of sensors |
| # | Storybook | What It’s About |
|---|---|---|
| 27 | Every Chip’s Secret Name | The 32-digit fingerprint that makes every eSIM chip unique |
| 28 | Cracking the Secret Code | What those 32 digits mean: manufacturer ID, chip type, serial number, check digit |
| 29 | The Name Librarian | How the GSMA hands out unique chip names so no two are alike |
| 30 | Show Your ID, Please | How chips prove who they are during profile downloads |
| 31 | Keeping Your Chip Name Secret | Privacy, when to share your EID and when to keep it secret |
Storybooks coming soon
Storybooks coming soon
Storybooks coming soon
Prefer reading to scrolling? These articles explain the same concepts in plain language with analogies and emojis.
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