Leak Highlights

  • The vivo X300s is reportedly set to feature a massive 7,100mAh battery, which would be the largest ever in the X series lineup.
  • Sources suggest the device could also include an upgraded ultrasonic fingerprint sensor and a high-power vibration motor.
  • The phone is expected to launch soon in China, positioned as a successor to the vivo X200s.
Disclaimer: All information in this article is based on leaks, rumors, and unverified sources. Details may change before official announcement. Do not make purchasing decisions based on leaked information.

Smartphone makers love to brag about how thin their new flagships are. But here's the truth: most of us would trade a millimeter or two for a battery that actually lasts a full day of heavy use. Now, a new leak suggests vivo is about to call that bluff. The vivo X300s isn't just promising better battery life, it's reportedly packing a power unit so big it could make your current phone look like a toy.

About This Leak

This isn't some shadowy rumor from a random account. The main details are coming straight from the horse's mouth. Vivo's own Product Manager, Han Boxiao, has been dropping specs on Weibo. When a company exec starts teasing numbers, you pay attention. That's why the 7,100mAh battery claim carries real weight. Tech pubs like Gizmochina, GSM Arena, and Notebookcheck have all run with the story, and tipster @ZionsAnvin on X has echoed the specs. So the source is solid. Just remember, even an official teaser isn't a final spec sheet.

Rumored Specifications & Features

If the leaks are right, vivo isn't messing around. The X300s looks like a direct attack on the flagship status quo, where you're supposed to accept charging your phone by lunchtime.

The Battery & Charging System

Let's start with the big number: 7,100mAh. Han Boxiao says it's coming, and it would be the biggest battery ever stuffed into a vivo X-series phone. That's a 14.5% jump from the 6,200mAh cell in the X200s. Vivo calls it a "Blue Ocean Battery," which is just marketing speak for "really big." More interesting is the support for improved bypass charging. That means when you're gaming hard, the phone can skip the battery and run straight off the wall plug, which should keep things cooler. Toss in 90W fast charging and a USB 3.2 Gen1 port, and you've got a phone built to stay alive.

Performance & Other Hardware

The upgrades don't stop at the battery. Han Boxiao is also talking up an "Ultra-Sensory Vibration Motor" he claims is the biggest and strongest in the X-series. And there's a new ultrasonic fingerprint sensor that's supposedly 15% faster and can handle slightly damp fingers. Another report floats a 6.78-inch screen with a 144Hz refresh rate. These aren't just incremental tweaks, they're the kind of quality-of-life improvements you notice every single day.

FeatureLeaked/Rumored DetailSourceConfidence
Battery Capacity7,100mAh (Blue Ocean Battery)Han Boxiao (vivo PM), GSM ArenaHigh
Charging90W fast charging, Bypass Charging@ZionsAnvin, NotebookcheckMedium
Fingerprint SensorUpgraded Ultrasonic (15% faster, wet-hand use)Han Boxiao (vivo PM)High
Vibration MotorUltra-Sensory (largest in X-series)Han Boxiao (vivo PM), 91mobilesHigh
Display6.78-inch 144Hz AMOLEDGadgets.BeebomLow-Medium
USB PortUSB 3.2 Gen1@ZionsAnvinMedium

Confidence Note: High = Confirmed by company official. Medium = Reported by multiple reputable leak sources. Low-Medium = Reported by a single publication without further corroboration.

Design & Naming Clarification

Here's a bit of housekeeping. Some earlier whispers called this phone the "vivo X300 Max." Han Boxiao himself shot that down on Weibo. He says there is no X300 Max. The phone we're talking about is the vivo X300s, the direct follow-up to the X200s. So that settles the name. What we don't have are any pictures. The design, the look, the feel, it's all still under wraps.

Expected Launch Timeline

Get ready, because this phone is coming fast. Han Boxiao says the X300s will "launch very soon in China." That's corporate speak for "we're announcing it in a matter of weeks." It'll likely be part of a bigger X300 family reveal. After it hits China, the usual playbook says we'll see a global rollout, including India, a couple of months later.

India Launch Expectations

This phone feels tailor-made for India, a market obsessed with battery life. But will it actually show up?

BIS Certification & Timeline

Here's the reality check. None of the leaks mention a BIS certification. That's the Bureau of Indian Standards approval, and it's the single best clue that a phone is India-bound. Until we see that certification pop up online, consider the India launch unconfirmed. If we follow vivo's past timing with the X100 series, an India launch could happen 2-3 months after the China event. So if it's announced in China this spring, maybe look for it in India by late summer.

Pricing & Availability

Your guess is as good as mine. There's no Indian price yet. The X200s never launched here, so we can't even use that as a reference. If it does arrive, it'll have to fight with phones like the OnePlus 13. Vivo usually partners with Amazon.in for its big online launches, while also making sure you can find it in stores.

What We Still Don't Know

  • The official launch date for China or any other market.
  • The complete specification sheet, including the system-on-chip (SoC), RAM, storage variants, and camera specifics (though a 200MP Zeiss-tuned sensor is hinted in one source).
  • The official design, materials, and color options.
  • Software details, including which version of Funtouch OS (Android) it will run.
  • Confirmed pricing for any region, including China.
  • BIS certification status, which is critical for confirming an India launch.
  • Whether there will be any India-specific variant (e.g., different RAM/storage configuration).

Frequently Asked Questions

How reliable are these vivo X300s leaks?

Pretty darn reliable. The main specs are coming from a vivo executive. That's about as good as a leak gets before the official event.

When is the vivo X300s expected to be announced?

All signs point to a China announcement within weeks. The teaser campaign is already running.

Should I wait for the vivo X300s or buy another phone now?

If you live and die by your battery meter, waiting a few weeks for confirmation is probably a smart move. If not, the phone you want is already out there.

Will the final product be different from these leaks?

The big stuff like the battery is probably locked in. But smaller details and the final price can always shift before the launch day.

Will the vivo X300s launch in India?

It makes perfect sense for it to launch here, but vivo hasn't confirmed it. Watch for that BIS certification. That's your ticket.

The Bigger Picture

Look, the smartphone industry has spent years telling us thin is in. Vivo's X300s leak feels like a quiet rebellion. A 7,100mAh battery in a flagship isn't just an upgrade, it's a statement. It says your phone shouldn't die before you do. Paired with a better motor and fingerprint reader, it's targeting the daily frustrations other brands ignore. For India, this could be the phone that finally cracks the flagship battery problem. But don't get too excited just yet. Wait for the official reveal. See the price. Then decide if this is the workhorse you've been waiting for.

Sources

  • gizmochina.com
  • gsmarena.com
  • x.com (ZionsAnvin)
  • notebookcheck.net
  • 91mobiles.com
  • gadgets.beebom.com
  • youtube.com
Filed Under
vivo x300s7100mah batteryvivo x seriessmartphone leaksultrasonic fingerprintblue ocean batteryvivo chinaandroid phone