Diagnose. Understand. Fix.

Fast iPhone battery drain has four main causes: (1) Battery health below 80% — iOS throttles CPU speed below this threshold, paradoxically causing more drain. Check Settings → Battery → Battery Health. (2) Background App Refresh — disable for apps you don't need real-time updates from. (3) Screen brightness — the display is the biggest battery consumer on any phone. (4) A rogue app — check Settings → Battery → Last 10 Days and look for an app using excessive background activity. A battery replacement (R550, 45 minutes) resolves health-related drain instantly.

Act in this exact order:
1. Power it off immediately — short circuits happen when current flows through wet components.
2. Do NOT plug it in or put it on wireless charge.
3. Do NOT put it in rice — rice does not absorb moisture from inside a sealed device and the dust accelerates corrosion.
4. Do NOT shake or blow on it — this pushes water deeper into the board.
5. Dry the exterior and bring it to MobiDokta as quickly as possible. We use professional ultrasonic cleaning to remove mineral deposits before they corrode your logic board. Success rates drop significantly after 24 hours.

Go to Settings → Battery → Battery Health & Charging. Your Maximum Capacity percentage shows how much charge your battery holds compared to when it was new. Below 80% means iOS activates performance management — your CPU is intentionally throttled to prevent unexpected shutdowns. You will notice slower app launches, reduced gaming performance, and more drain. A replacement at MobiDokta restores full capacity and lifts the throttle completely.

OLED (Organic Light-Emitting Diode): Each pixel produces its own light. Black pixels are completely off — giving true blacks and infinite contrast. More power-efficient on dark content. Thinner displays. Used in all iPhones from X onwards and all Samsung Galaxy S/Z flagships.

LCD (Liquid Crystal Display): A single backlight behind a liquid crystal filter. Blacks are actually dark grey. Better brightness uniformity and no risk of burn-in. More affordable to replace.

At MobiDokta we stock Hard OLED, Soft OLED and Incell LCD panels for most models and explain the differences in colour, brightness and price before you decide.

Generally yes, if: (1) The device still receives iOS software updates — iPhones 12 and newer all do. (2) The repair cost is less than 40% of the device's current market value. (3) The logic board is healthy — a screen or battery replacement on a phone with board damage will fail soon after anyway. A battery replacement (R550) on an iPhone 13 makes the phone feel new and costs a fraction of a replacement. Always get a free diagnosis first — we'll tell you honestly if a repair is worth it.

iFixit rates devices from 1–10 based on: ease of disassembly, availability of parts, use of standard vs proprietary screws, whether adhesive is used, and availability of documentation. Score 10 = fully user-repairable. Score 1 = nearly impossible without specialist equipment. Most iPhones score 4–5. A lower score means higher labour costs but does not mean the repair is impossible — it means more specialised tools and time are required. MobiDokta carries the tools to service all repairability levels.

Yes, in most cases — especially when brought in quickly. The critical factor is not the water itself but the mineral deposits left behind as the water evaporates. These deposits conduct electricity in unexpected paths, causing short circuits. Professional ultrasonic cleaning removes these deposits. Success rates: within 24 hours — very high. 24–72 hours — moderate. Beyond 72 hours — lower but still worth attempting, especially for data recovery. Free diagnosis on all water damage cases at MobiDokta.

Random restarts have four main causes: (1) Failing battery — most common cause on phones 2+ years old. A battery with poor cell integrity drops voltage under load, triggering an emergency shutdown. (2) Overheating — the thermal management system shuts down the phone to prevent chip damage. (3) Software crash loop — a corrupted app or iOS update. Try a factory reset first. (4) Power management IC fault — a board-level component failure requiring microsoldering. Start with a battery replacement — it resolves 70% of random restart cases.

Microsoldering is component-level board repair — soldering individual chips and connections as small as 0.2mm directly onto a phone's logic board using a microscope and precision equipment. It is used for: no-power faults, charging IC failure, touchscreen IC failure, WiFi/Bluetooth chip replacement, Face ID flex repair, and data recovery from physically damaged boards. Not every repair shop offers this service — it requires a hot air rework station, digital microscope, solder flux, BGA reballing stencils, and years of training. MobiDokta performs board-level diagnostics and microsoldering in-house.

iPhone: Settings → [Your Name] → iCloud → iCloud Backup → Back Up Now. Or connect to a Mac/PC, open Finder/iTunes, select your phone and click Back Up Now. Enable 'Encrypt local backup' to include passwords and Health data. Samsung/Android: Settings → Accounts and Backup → Back Up Data → Google One or Samsung Cloud. Also back up photos to Google Photos before any repair. For screen repairs and battery replacements, your data is not touched — but it's always good practice to back up first.

The TAC (Type Allocation Code) is the first 8 digits of an IMEI number. It uniquely identifies the device manufacturer and model. When buying a second-hand phone, the TAC should match the device being sold — an iPhone 15 Pro has a different TAC range than an iPhone 14, for example. A mismatched TAC means the IMEI may have been swapped, which is a criminal offence. MobiDokta's CheckForYou service decodes and verifies the TAC as part of every IMEI check.

Most iPhone and Samsung screen replacements take 45 minutes to 90 minutes at MobiDokta. Newer models (iPhone 14+, Galaxy S24) require adhesive removal and panel curing time — add 20–30 minutes. Face ID recalibration is handled electronically and does not affect the timeline. You're welcome to play on TRi-MobiDokta's gaming console lounge while you wait. All repairs are same-day for standard screen faults.