Witness the evolution of ESTKme products. From early technical explorations to industry-leading innovations, we continuously push boundaries and redefine the standard for removable eUICC products.
AndroidAndroid models are numerous and complex; use the mobile app to check compatibility.Plug and playPlug and play
HarmonyOSHarmonyOS is a deeply customized Android system; use the mobile app to check compatibility.Plug and playPlug and play
HarmonyOS NextPlug and playPlug and play
Feature
Material & finishThe card body and contact material process affects wear resistance, bending behavior, and long-term reliability.Industrial-grade unibody wear-resistant encapsulation
CapacityStorage available for eSIM profiles. The actual number of profiles depends on each profile's size.1024KiB
Designed profile countEstimated value for reference only. Expected maximum storage count in laboratory scenarios; actual storage count depends on profile size and additional resource usage.13-26 eSIM
COS versionCard operating system version information.ESTKme COS 6
EID prefixThe EID prefix identifies the card issuer and number range, which can affect recognition by some platforms or carriers.89049032 + 89034011
OMAPI managementSupports card and eSIM profile management through Android OMAPI, depending on device and system support.
✓
STK managementSupports basic switching and management through the SIM Toolkit menu for lightweight management without an external reader.
✓
Bootstrap Function
(iOS direct download)Built-in bootstrap capability for initial connectivity or configuration during setup and later management.
✓
GSMA eSIMSupports standard GSMA consumer eSIM profiles provided by carriers through QR codes or activation codes.
✓
SoftSIMSupports SoftSIM capabilities for more flexible profile or card-application scenarios.
✓
Applet sideloadSupports sideloading JavaCard applications for advanced users and development scenarios.
✓
Lockdown modeBlocks additional services and interfaces except authentication, helping prevent advanced attacks from the core network or OTA channels. Designed for users facing extreme network security threats.
✓
Self-built management software
(ARA-M editing)Supports developers building their own management software with public interfaces or toolchains.
✓
Open-source management softwareSupports open-source management tools for auditability, adaptation, and community collaboration.
✓
Dedicated management softwareSupports ESTKme's dedicated management software for writing, switching, and managing profiles.
✓
Activate native managementRequires device support for reading removable eUICC; intended for advanced users only.
✓
Release Timeline
2026
2026
2 release(s)
2025
2025
11 release(s)
2024
2024
3 release(s)
2023
2023
4 release(s)
Plus+
C (Beta)
The C Series takes the lead in introducing soft-plastic card processes and COS 6, exploring the next generation of product form factors with unprecedented lightness and flexibility.
Max
Plus
Light
Ready+
A disruptive innovation: the industry's first plug-and-play product for iOS/iPadOS, completely removing the dependency on card readers and Android devices.
Start
An exclusive commemorative edition.
Ready
The industry's first retail removable eUICC product featuring dynamic multilingual support.
Times
A collector's commemorative edition witnessing a key milestone.
Essential Lite
Air
Mega
Essential
The first product powered by ESTKme's self-developed T3 chip designed specifically for removable eUICC, delivering doubled performance with a sharp reduction in power consumption.
ECO
Breaking industry bottlenecks by pioneering card-reader-free direct eSIM writing on iOS/iPadOS, delivering an unprecedented level of convenience.
400K
Pioneered unibody molding technology, establishing the manufacturing foundation for ESTKme's high-end product line.
ES
Beta 2
Beta 1
Born alongside the lpac/libeuicc open-source projects, collaborating with the community to build the landmark EasyEUICC app.
Alpha 2
Alpha 1
ESTKme left the lab as the industry's first retail removable eUICC product featuring both app and STK management.
Plus+
C (Beta)
The C Series takes the lead in introducing soft-plastic card processes and COS 6, exploring the next generation of product form factors with unprecedented lightness and flexibility.
Max
Plus
Light
Ready+
A disruptive innovation: the industry's first plug-and-play product for iOS/iPadOS, completely removing the dependency on card readers and Android devices.
Start
An exclusive commemorative edition.
Ready
The industry's first retail removable eUICC product featuring dynamic multilingual support.
Times
A collector's commemorative edition witnessing a key milestone.
Essential Lite
Air
Mega
Essential
The first product powered by ESTKme's self-developed T3 chip designed specifically for removable eUICC, delivering doubled performance with a sharp reduction in power consumption.
ECO
Breaking industry bottlenecks by pioneering card-reader-free direct eSIM writing on iOS/iPadOS, delivering an unprecedented level of convenience.
400K
Pioneered unibody molding technology, establishing the manufacturing foundation for ESTKme's high-end product line.
ES
Beta 2
Beta 1
Born alongside the lpac/libeuicc open-source projects, collaborating with the community to build the landmark EasyEUICC app.
Alpha 2
Alpha 1
ESTKme left the lab as the industry's first retail removable eUICC product featuring both app and STK management.
Device Compatibility Applies to devices with a built-in SIM card slot from the past 5 years and their OS versionsApplies to devices with a built-in SIM card slot from the past 5 years and their OS versionsPlug and playPlug and playFirst use requires another auxiliary deviceFirst use requires another auxiliary deviceSwitch between installed profilesSwitch between installed profilesOnly the enabled profile is supportedOnly the enabled profile is supported
iOS / iPadOS
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
First use requires another auxiliary device
First use requires another auxiliary device
First use requires another auxiliary device
Only the enabled profile is supported
First use requires another auxiliary device
First use requires another auxiliary device
First use requires another auxiliary device
First use requires another auxiliary device
First use requires another auxiliary device
First use requires another auxiliary device
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
AndroidAndroid models are numerous and complex; use the mobile app to check compatibility.
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
HarmonyOSHarmonyOS is a deeply customized Android system; use the mobile app to check compatibility.
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Plug and play
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
HarmonyOS Next
Plug and play
Plug and play
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Switch between installed profiles
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Only the enabled profile is supported
Feature
Material & finishThe card body and contact material process affects wear resistance, bending behavior, and long-term reliability.
CapacityStorage available for eSIM profiles. The actual number of profiles depends on each profile's size.
1024KiB
512 KiB
1600KiB
640KiB
320KiB
440 KiB
640 KiB
440 KiB
440 KiB
440 KiB
440 KiB
840 KiB
440 KiB
400 KiB
400 KiB
400 KiB
400 KiB
400 KiB
400 KiB
400 KiB
Designed profile countEstimated value for reference only. Expected maximum storage count in laboratory scenarios; actual storage count depends on profile size and additional resource usage.
13-26 eSIM
4-8 eSIM
60 eSIM
8-16 eSIM
4-8 eSIM
4-8 eSIM
8-16 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
3 eSIM ONLY
8-16 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
4-8 eSIM
COS versionCard operating system version information.
ESTKme COS 6
ESTKme COS 6
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 5
ESTKme COS 3
ESTKme COS 3
ESTKme COS 3
ESTKme COS 2
ESTKme COS 1
ESTKme COS 0.2
ESTKme COS 0.1
EID prefixThe EID prefix identifies the card issuer and number range, which can affect recognition by some platforms or carriers.
89049032 + 89034011
89049032
89033023 + 89033023
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
89049032
OMAPI managementSupports card and eSIM profile management through Android OMAPI, depending on device and system support.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
STK managementSupports basic switching and management through the SIM Toolkit menu for lightweight management without an external reader.
✓
✓
✓
✓
✓
✓
✓
✓
✓
—
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Bootstrap Function
(iOS direct download)Built-in bootstrap capability for initial connectivity or configuration during setup and later management.
✓
✓
✓
✓
✓
✓
—
—
—
—
—
—
—
—
—
—
—
—
—
—
GSMA eSIMSupports standard GSMA consumer eSIM profiles provided by carriers through QR codes or activation codes.
SoftSIMSupports SoftSIM capabilities for more flexible profile or card-application scenarios.
✓
✓
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Applet sideloadSupports sideloading JavaCard applications for advanced users and development scenarios.
✓
✓
—
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
—
—
—
—
—
—
—
Lockdown modeBlocks additional services and interfaces except authentication, helping prevent advanced attacks from the core network or OTA channels. Designed for users facing extreme network security threats.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
—
—
—
—
—
—
—
Self-built management software
(ARA-M editing)Supports developers building their own management software with public interfaces or toolchains.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Open-source management softwareSupports open-source management tools for auditability, adaptation, and community collaboration.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
—
—
Dedicated management softwareSupports ESTKme's dedicated management software for writing, switching, and managing profiles.
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
—
—
—
—
—
—
Activate native managementRequires device support for reading removable eUICC; intended for advanced users only.