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在这个步骤中使用的工具:iOpener$19.99-
Our Opening Kit ought to offer oodles of optimism to fearless fixers; iOpeners impart inroads into iPads. (Who doesn't love a little alliteration?)
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We've never opened an iPad Mini with Retina Display before, but we're confident this kit is up to the challenge.
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In this teardown staredown, the Mini blinks first: after offering up the usual gluey resistance, it succumbs and releases its front panel.
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The ridiculous amount of glue holding iPads together is no longer any surprise—but that doesn't make it okay. Glue inhibits repair, and that is bad. Really bad.
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It looks like Apple has been doing some pruning. The 16 screws in the previous iPad Mini's LCD shield plate must have been deemed excessive; we're now down to seven screws.
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"Waste not, want not." The same shields appear to be popped into the new Minis—they're just missing some (now obsolete) screw holes.
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These LCD and digitizer cable connectors aren't fooling anybody—tweeze away that bracket and pop off the connectors, and the LCD is home free.
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Rumors abounded about problems sourcing the pixel-dense Retina display, slowing iPad Mini Retina production. That makes us extra-curious to get a look inside ours.
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Our little Retina has an LG display, powered by a Parade DP675 LCD driver, similar to the DP655 found in the iPad Air.
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Also present at the party, a TI TPS65143A and a pair of TI TPS65195, all likely LCD power supply ICs.
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While "mini" tends to denote added cuteness with compromised functionality, this Mini packs a resolution of 2048 x 1536—just like the Air.
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We've reached the source of power. Here are the runes on the black box:
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3.75 V, 24.3 Whr, 6471 mAh—a huge bump over the 16.3 Whr battery seen in the previous Mini. It seems we've found the source of the Retina's thicker skin.
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In spite of those specs, Apple still pegs the battery life at 10 hours. We suspect the extra juice is being funneled into the swanky new display.
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To fight the dark magics (well, adhesives) binding this battery, we call upon the awesome powers of the iOpener once more.
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If at first you don't succeed, (heat and) pry, pry again.
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The new dual-cell battery design means more edges with more glue, and requires more muscle to remove.
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After quite a bit of said prying, we flip the grilled battery out of the case like a shrimp on the barbie.
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While the new battery cools its jets, we work our way down the hit list of remaining components.
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First to go is the front-facing camera. This little bit of face-to-FaceTime is still rated at 1.2 MP, 720p, and is marked 821-1752-A.
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On the flip side, the usual 5 MP rear-facing camera.
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Following the Formicidaean design choices of the Air, this Mini maxes out on efficiency with dual antennas.
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Out too go the dual voice boxes.
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An exploratory plastic opening tool reveals the only thing stuck under there are bad memories from last time.
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That's right: The only adhesive under this logic board is a bit under the panhandle full of connectors, and a solid swath under the Lightning connector cable.
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Instead of glue, the logic board is seated over a couple of screwposts for security—a mini win for repairability!
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Holy holes, Batman! What's this? Wi-Fi-only Minis of yesteryear featured a blank expanse at the end of the logic board—just a flat space where the cellular chips would be in a CDMA/GSM version. This Retina Mini's board has a nifty cutout instead.
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Also making an appearance, the USI 339S0213 Wi-Fi Module, as seen in the iPad Air.
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Who's got the dip? We've got chips! Tasty, tasty, silicon chips (Disclaimer—Please do not consume microchips):
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Apple A7 APL0698 SoC—This is the same part number as seen on the iPhone 5s, as opposed to the iPad Air's hotrod 1.4 GHz version
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Within the A7 package is Elpida F8164A1PD 1 GB LPDDR3 DRAM
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NXP LPC18A1 (Apple M7 Motion Co-Processor)
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Toshiba THGBX2G7B2JLA01 16 GB NAND flash
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B334 STMicro MEMS accelerometer/gyroscope, the same as seen in the iPad Air
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iPad Mini Retina Display Repairability: 2 out of 10 (10 is easiest to repair).
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The LCD and glass are not fused together and can be replaced independently.
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The battery is not soldered to the logic board or other components.
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Teeny-tiny screws can be easily misplaced if you're not careful. Don't sneeze too hard while taking them off.
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Copious amounts of adhesive hold many components in place—front glass, battery, front camera, back camera, ribbon cables—making repair extremely difficult.
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The Lightning connector is soldered to the logic board, so don't bend its pins.
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Hidden screws mean you'll need to be very diligent when trying to remove internal components.
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18条评论
Screw your stupid scoring system.
The less the score, the more performance to weight ratio and the more perfectly crafted and engineered a device is.
iPads are a pain in the !@# to repair, especially the glued up part and the open-up-and-wreck-up foam gasket around the LCD. I would have given that only 2 scores too
But the Ifixit guys are a bit old schooled. They still believe the pentalobe screws are bad for repairs. Now the screwdrivers are $1 each. So much for 'proprietary' screws. And I actually support the trend of bonding the glass to the LCD. This actually toughens up the display module and eliminates dust under the glass panel. Which is a major headache when you open up the device to repair it
Tom Chai -
Keep in mind this is purely a REPAIRABILITY score, not a review of the engineering quality, usability, or a reflection on its performance-to-weight ratio. I think the Retina iPad Mini is a terrific product and hands down is better in all other categories (build quality, performance/weight, software ecosystem, battery life, etc.) when compared to it's competitors. I wouldn't let a low iFixIt repairability score deter me from purchasing the product, but would certainly, based on this teardown, think twice about attempting a repair on it myself. In fact, after reading this (and other iFixIt Apple product teardowns), I would consider spending a little extra on the AppleCare warranty to avoid making a complete mess of a well constructed (but hard to repair) device.
Instead of all that glue, Apple should look into using high-quality Velcro. It'd bind in place as well as glue and be easier to remove than glue or screws.
Mike Perry - 回复
@daviet86 I for one appreciate the scoring system because it creates a scale of relativity in order to compare the difficulty level between two disparate systems. I prefer to know what I'm getting myself into before getting into it. I also wouldn't agree that inordinate amounts of glue increases performance. If you don't like the system don't read it....simple enough.