Phase103 · Dual SIM / Dual eSIM Lab

Dual SIM is more than “two lines can be installed”

Separate SIM1/SIM2 carriers, physical SIM/eSIM, default voice/SMS/data routing, Wi-Fi Calling and automatic data switching to identify what still needs real-device verification.

550device / sales records

116exact dual inventory records

0SolQvia real-device dual-combination evidence

Voice / SMS / RCS lab Evidence ledger

Enter the SIM1 / SIM2 configuration

Do not enter device identifiers

Do not enter IMEI / EID / ICCID, phone numbers, names, addresses, authentication codes or eSIM QR data.

Search deviceDevice / variant

Select a device to show SIM/eSIM evidence.

SIM1

CarrierSIM typeWi‑Fi Calling

SIM2

CarrierSIM typeWi‑Fi Calling

Default voiceDefault SMSDefault dataAutomatic data switchingRCS lineNeed other-line calls during an active call

Phase102 Phase100

Combination field report after testing

After testing both active lines, record each function separately and generate a pending user report. It is never auto-published or auto-promoted.

Test dateOS / software

Combination function	Result
Both lines registered / standby
Voice calls on SIM1
Voice calls on SIM2
Data on default SIM
Automatic data switching
Other-line incoming call during active call
Mobile data during a call
SMS routing
RCS registration / active line
5G while Dual SIM is active
Tethering on default data line
Recovery after disabling/re-enabling one line

Notes (no identifiers) I confirm this contains no personal data, IMEI/EID/ICCID, phone number or authentication code.

Email report