Vivo Y66i – Latest Price, Feature, Buying Guide

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 3 min read
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Vivo Y66i comes with a powerful Qualcomm Snapdragon 425 MSM8917 inside along with 3 GB of RAM. On the front sits a 5.5 inches display at a resolution of 720 x 1280 pixels. The camera department has 13 MP camera, on the rear, and 5...

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

এই তথ্য শিক্ষা ও সচেতনতার জন্য। এটি ডাক্তারি পরীক্ষা, রোগ নির্ণয় বা প্রেসক্রিপশনের বিকল্প নয়।

Article Summary

Vivo Y66i comes with a powerful Qualcomm Snapdragon 425 MSM8917 inside along with 3 GB of RAM. On the front sits a 5.5 inches display at a resolution of 720 x 1280 pixels. The camera department has 13 MP camera, on the rear, and 5 MP on the front. The Vivo Y66i also comes with 32 GB internal storage and a capable 3000 mAh battery...

Key Takeaways

  • This article explains Vivo Y66i - SPECIFICATIONS in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
Reviewed content workflowUse writer and reviewer profiles for stronger trust.
Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
  • New weakness, severe pain, high fever, or symptoms after a serious injury.
  • Any symptom that feels urgent, unusual, or unsafe for the patient.
1

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

3

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Before reading

RX Patient Tools

Use these quick guides before reading the article, or return to them when you need help preparing questions for a doctor.

Start here Choose the right pathway for symptoms, reports, medicines, or urgent warning signs. Disease article roadmap Read this topic step by step: meaning, symptoms, warning signs, diagnosis, treatment, prevention, and follow-up. Treatment planner Prepare questions about treatment choices, benefits, risks, side effects, and follow-up. Family & caregiver guide Organize symptoms, reports, medicines, questions, and follow-up safely. Nutrition & diet guide Prepare food, hydration, supplement, and medicine-timing questions safely. Prevention guide Organize risk factors, protective habits, screening, and warning signs. Recovery guide Prepare a safe plan for activity, rehabilitation, warning signs, and follow-up.
Definition

Vivo Y66i comes with a powerful Qualcomm Snapdragon 425 MSM8917 inside along with 3 GB of RAM. On the front sits a 5.5 inches display at a resolution of 720 x 1280 pixels. The camera department has 13 MP camera, on the rear, and 5 MP on the front. The Vivo Y66i also comes with 32 GB internal storage and a capable 3000 mAh battery sits inside powering the whole setup.

Vivo officially launched its new smartphone Vivo Y66i in December 2017. The Vivo Y66i will retail in a variety of colors including Gold, and Rose-gold to give you options to choose according to your style. In terms of durability, well, the handset is made of plastic material. So, you are the judge of that. Know that it weighs at 157 grams.

The most important aspect of the smartphone is its display. Take a hard look at the Vivo Y66i display specifications. It is a 5.5 inches display offering a 720 x 1280 pixels resolution. It uses IPS display technology. The pixel density of the screen comes out to be 267 PPI. The screen-to-body ratio of the smartphone is at 71.88 %, which is a result of the Regular design and aspect ratio of 1.778:1.

These days when we look for a smartphone to buy, the first thing that we asked is about the details of the camera. So here you go! The Vivo Y66i comes with a single rear camera which has a resolution of 13 MP with f/2.2 aperture size. Know that there will be an LED flash for low light photography support. The selfie camera is of 5 MP resolution with an aperture of f/2.2. The front camera can record videos at 1280 x 720 pixels @ 30 fps.

Vivo Y66i – SPECIFICATIONS

General

  • Model
    Y66i
  • Released
    12 December, 2017
  • Status
    Available

Design

  • Type
    Bar
  • Dimensions
    6.04 in x 2.98 in x 0.29 in
  • Weight
    157 Grams (With Battery)

Display

  • Display Type
    IPS, LCD capacitive touchscreen
  • Size
    5.5 inches HD
  • Resolution
    1280 x 720 Pixels, 24 bit color depth
  • Display Colors
    16M Colors
  • Pixel Density
    ~ 267 PPI Pixel Per Inch
  • Touch Screen
    Yes Multi Touch Support
  • Display Protection
    Yes
  • Features
    IPS, HD Display
    ~ 267 PPI Pixel Density
    Capacitive Multi-touch
    Scratch Resistant
    2.5D Curved Glass Screen

Hardware

  • CPU
    Quad-Core 1.4GHz ARM Cortex A53 CPU Clock
  • GPU
    Qualcomm Adreno 308, 500MHz
  • RAM (Memory)
    3GB
  • Internal Storage
    32GB
  • Memory Card Slot
    microSD, microSDHC, microSDXC
  • Sensors
    Accelerometer
    Proximity
    Light
    Gyroscope Sensor

Software

  • Operating System
    Android 7.1 Nougat OS
  • User Interface
    Yes with Funtouch OS 3.2

Camera

  • Rear Camera
    13 Megapixels with Single-LED and AF Rear Camera
  • Image
    4160 x 3120 Pixels
  • Video
    1080p@30fps
  • Flash
    Yes with Single-LED Flash
  • Front Camera
    5 Megapixel Front Camera

Network

  • SIM
    Standard SIM
  • Dual SIM
    (Nano-SIM + Nano-SIM), Dual Standby

Connectivity

  • Wi-fi
    Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi HotSpot
  • USB
    Micro USBv2.0 with Charging and Mass Storage Function
  • GPS
    Yes, with GPS, A-GPS
  • NFC
  • Headphone Jack

Battery

  • Capacity
    3,000 mAh
  • Placement
    Non-Removable

Media

  • Video Playback
    Up to 7.5 Hours
  • Video Out
    Yes With Wireless Media Link
  • FM Radio
    Yes
  • Ring Tones
    AAC, WAV ringtones
  • Loudspeaker
    Yes with Single Speaker

Data

  • 4G LTE
    LTE : 850/ 1800 / 2100 MHz, LTE-TDD : 1900 MHz (Band 39), LTE-TDD : 2300 MHz (Band 40), LTE-TDD : 2500 MHz (Band 41), LTE-TDD : 2600 MHz (Band 38)
  • Speed
    LTE Cat-4 150 Mbps Download, 50 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 21 Mbps Download, EV-DO Rev.A 1.8 Mbps Upload, 3.1 Mbps Download
Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Rest, drink safe water, and observe symptoms carefully.
  • Keep a written note of symptoms, duration, temperature, medicines already taken, and allergy history.
  • Seek medical care quickly if symptoms are severe, worsening, or unusual for the patient.

OTC medicine safety

  • For mild pain or fever, ask a registered pharmacist or doctor before using common over-the-counter pain/fever medicines.
  • Do not combine multiple pain medicines without advice, especially if you have kidney disease, liver disease, stomach ulcer, asthma, pregnancy, or take blood thinners.
  • Do not give adult medicines to children unless a qualified clinician advises it.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Severe symptoms, confusion, fainting, breathing difficulty, chest pain, severe dehydration, or sudden weakness need urgent medical care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Vivo Y66i – Latest Price, Feature, Buying Guide

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

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