Our Quick Take on Yesim in Turkey
Custom trip duration flexibility (1 to 30 days) with dual Turkcell/Vodafone failover
Unlimited plans have a 2GB daily high-speed fair-usage ceiling before soft throttle
Editorial Verdict: Yesim stands out in Turkey for its dual-network support (Turkcell and Vodafone Turkey) and flexible per-day unlimited plans. Fixed data options start from 500MB (£0.45) up to 50GB (£32.40 for 30 days, ~£0.65/GB). Unlimited plans can be customised for any duration (1 to 30 days), from £2.97/day. Hotspot mode is fully supported, and Yesim backs its service with a 100% refund guarantee and 24/7 support.
Yesim Turkey eSIM Plans & Prices
All prices in British Pounds (GBP £) with unit price-per-GB metrics. Verified active plans:
| Plan Package | Data Allowance | Validity | Price (GBP) | Per GB | Host Network | Hotspot | Action |
|---|---|---|---|---|---|---|---|
| Yesim 1 GBBest Value | 1GB | 1 days | £1.80 | £1.80 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim 5 GB | 5GB | 30 days | £8.10 | £1.62 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim 10 GB | 10GB | 30 days | £12.60 | £1.26 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim 20 GB | 20GB | 30 days | £18.90 | £0.95 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim 30GB | 30GB | 30 days | £23.94 | £0.80 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim 50GB | 50GB | 30 days | £32.40 | £0.65 | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim Unlimited 1 DayUnlimited | Unlimited | 1 days | £2.97 | — | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim Unlimited 7 DaysUnlimited | Unlimited | 7 days | £20.79 | — | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim Unlimited 14 DaysUnlimited | Unlimited | 14 days | £31.73 | — | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim Unlimited 21 DaysUnlimited | Unlimited | 21 days | £40.50 | — | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
| Yesim Unlimited 30 DaysUnlimited | Unlimited | 30 days | £51.30 | — | Turkcell & Vodafone Turkey | ✓ | Get Plan → |
Host Network & Coverage in Turkey
When using Yesim in Turkey, your cellular connection is carried over Turkcell & Vodafone Turkey base stations.
🏛️ Istanbul & Major Cities
Dense 4.5G LTE coverage across historical tourist hubs (Sultanahmet, Taksim, Kadıköy, Beşiktaş), Ankara, and Izmir. Expect consistent 45–120 Mbps speeds suitable for live streaming, social media uploads, and ride-hailing.
🏖️ Mediterranean & Aegean Resorts
Strong coastal mast coverage throughout Antalya, Alanya, Bodrum, Marmaris, and Fethiye. Reliable reception along primary hotel beachfronts and town harbours.
🎈 Cappadocia & Valleys
Dependable signal across Göreme, Uçhisar, and during morning hot air balloon excursions. Cave hotels with dense rock walls may require stepping onto balconies or using hotel Wi-Fi.
🚗 Rural Highways & Taurus Mountains
Stable signal on primary D400 coastal routes and major dual carriageways. Minor rural mountain passes will gracefully fall back to 3G/4G coverage.
Evaluation Methodology Note: We evaluate Yesim using current published pricing, official carrier documentation, Turkish BTK spectrum allocations, and verified wholesale roaming agreements. We do not manufacture simulated field-test claims.
⚡ 4.5G Speeds & 5G Status
In Turkey, Yesim connects via 4.5G LTE Advanced. While nationwide 5G commercial spectrum is scheduled for auction in late 2026, Turkish 4.5G networks utilise multi-band carrier aggregation to deliver median speeds of 35 to 120 Mbps.
This speed easily supports 4K video playback, Zoom/Teams calls, and instant map routing. Live 5G test zones exist at Istanbul Airport (IST), but 4.5G handles 100% of holiday requirements.
Read our 2026 Turkey 5G guide →📶 Hotspot & Tethering Permissions
Personal hotspot tethering is permitted on Yesim Turkey plans. You can share your connection freely with family members, laptops, and tablets without artificial blocks.
Remember that connecting a laptop will consume data faster due to background OS updates. Turn on "Low Data Mode" on your laptop when tethering.
See all Turkey eSIM hotspot rules →Yesim Speed Throttling & Data Caps
Daily high-speed unlimited packages resetting every midnight UTC. Hotspot supported.
Setup, Activation & Recharging
Download Before Leaving the UK
Install the eSIM profile over home Wi-Fi 24–48 hours before boarding your flight. You can install via the Yesim mobile app or by scanning the confirmation QR code.
When Validity Starts
Countdown begins on the selected arrival date chosen during checkout or upon first connection. Installing in the UK will not waste your days. Once your plane touches down in Turkey and connects to a local mast, the validity countdown starts.
Adding More Data
If you run low on data while touring Turkey, you can top up directly inside the Yesim app without deleting or scanning a new QR code.
Yesim Pros & Cons for Turkey Travel
What Works Well
- Dual-network access — Turkcell and Vodafone Turkey
- Flexible per-day unlimited plans available for any custom number of days
- Affordable entry pricing (500MB for £0.45, 1GB for £1.80)
- Hotspot mode fully supported
- 100% money-back / refund guarantee
- 24/7 customer support
Limitations to Note
- No phone number or SMS included
- Requires an unlocked, eSIM-compatible smartphone.
Who Should Choose Yesim?
Standard Holidaymakers (7–10 Days)
Ideal if you are visiting Istanbul, Antalya, or Bodrum and need 5GB–10GB for maps, social media, and WhatsApp messaging with zero hassle.
Remote Workers & Hotspot Users
A strong choice for tethering laptops and iPads during cafe work sessions or long transfers.
Cost-Conscious UK Travellers
Saves up to 85% compared to paying £2.50 to £6.00 daily roaming passes from EE, Vodafone UK, O2, or Three.
How Does Yesim Compare to Alternatives?
If Yesim doesn't match your exact travel style, consider these top-ranked alternatives:
Breeze SIM
Read Review →Cheaper fixed bundles (20GB for £15) with identical dual-network coverage
Holafly
Read Review →Alternative unlimited brand, though Holafly restricts hotspot to 500MB/day
Refund & Cancellation Policy
100% money-back guarantee for unactivated plans or verified network technical issues
Always contact Yesim support via their official app or email before your trip if your travel dates change or your flight is cancelled.
Frequently Asked Questions: Yesim Turkey
Yesim accesses both Turkcell and Vodafone Turkey, offering dual-network coverage for broader reach across urban and rural regions.
Yesim allows you to choose exact day counts for unlimited data (from 1 day at £2.97 up to 30 days at £51.30), making it easy to fit your exact trip length.
Yes — Yesim offers a 100% refund guarantee and 24/7 support if you encounter technical issues.