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Vietnam 6GB / day
5-day plan

then 5Mbps (video stays smooth) — Video keeps playing after the cap

The date rolls over around 02:00 Japan time — activating just before that can burn most of day one

Only with eSIM.co.jp

Coverage guarantee
Refund or a replacement eSIM if the network fails.
Keep your Japanese number
Your Japanese line stays in the phone. Your number and LINE do not change.
Full refund if not activated
Cancel any time before you scan the QR code.

Plan details

Coverage
Vietnam
Networks
Wintel（Reddi）（4G）
High-speed data
6GB / day (then unlimited at 5Mbps)
When the period starts
Starts when the eSIM activates on your device
How the period is counted
The plan is counted in local (UTC+7) calendar days, so a day ticks over around 02:00 Japan time
Daily reset
Your daily data resets around 02:00 Japan time
Tethering
Supported
Voice / SMS
Not supported (data only)
APN
reddi / or / m9-wintel
Valid for
5 days from activation
Activate by
Activate within 30 days of receiving the QR
Cancellation
Full refund any time before activation
Receipt
Download any time from My Page
Please note
Once the QR code has been scanned and activated, the plan cannot be cancelled or refunded. Please check device compatibility and SIM lock status first.
Vietnam 6GB / day 5 days — ¥740 | eSIM.co.jp